| - | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
| Athlete | Sex | First Appearance | Last Appearance | Appearances | Colleges | Race Types |
|---|---|---|---|---|---|---|
| Conor D'Arcy | m | 1994-02-19 | 1995-03-04 | 2 | UCG | XC |
| David Dagg | m | 2018-04-13 | 2019-04-06 | 11 | UCD | 400mH, 4x400m, CE, HJ, LJ, SP |
| David Dagg | m | 2022-01-29 | 2022-04-09 | 9 | UCD | 110mH, CE, HJ, LJ, SP |
| Neil Dagger | m | 1998-12-11 | 2001-04-21 | 8 | TCD | DT, SP |
| Luc Sean Daibhis | m | 2001-11-07 | 2001-12-08 | 5 | DCU | 400m, 4x200m, 800m, Road, SP |
| M. Daley | m | 1975-05-21 | 1978-05-17 | 9 | UCD | 200m, LJ, SP, TJ |
| Mathias Dalleau | m | 2019-02-08 | 2019-02-08 | 3 | AIT | 4x200m, LJ |
| Colin Dalton | m | 1995-12-16 | 1997-02-01 | 3 | DIT, GST | 3000m, XC |
| Colm Dalton | m | 1994-01-21 | 1994-01-21 | 1 | GST | 3000m |
| Cormac Dalton | m | 2018-03-10 | 2020-03-07 | 6 | DCU | 3000m, Road, XC |
| James Dalton | m | 2004-12-03 | 2004-12-04 | 1 | IT Carlow | 2000mW |
| Owen Dalton | m | 1953-07-15 | 1958-05-18 | 9 | IUAA, UCD | 100y, 220y, 4x110y |
| Andrew Daly | m | 2020-02-15 | 2020-02-15 | 1 | TUD | 800m |
| C. Daly | m | 1983-03-12 | 1983-03-12 | 1 | TCD | XC |
| Cathal Daly | m | 2011-11-12 | 2013-02-01 | 9 | UCD | 1000m, 1500m, 4x400m, 800m, Road |
| Conor Daly | m | 2014-02-07 | 2018-02-09 | 12 | DCU | PV, TJ |
| Finley Daly | m | 2017-11-18 | 2022-03-05 | 16 | Ireland, UG | 3000m, 3000mSC, Road, XC |
| Ger Daly | m | 1993-02-12 | 1995-04-22 | 13 | UCD | 100m, 200m, 60m, HJ, LJ, TJ |
| Ger Daly | m | 1988-02-01 | 1988-02-01 | 1 | Cork RTC | Road |
| James Daly | m | 1988-02-01 | 1989-05-06 | 3 | Cork RTC, GST | 800m, Road, XC |
| James Carroll Daly | m | 1873-05-19 | 1873-05-19 | 4 | UCC | HT, LJ, SP, SPo |
| John Daly | m | 2001-02-24 | 2001-02-24 | 1 | UCD | XC |
| John C. Daly | m | 1874-05-16 | 1874-05-16 | 4 | UCC | HT, LJ, SP, SPo |
| Johnathan Daly | m | 1999-11-13 | 2001-04-07 | 3 | UCD | Road, XC |
| Johnny Daly | m | 2013-11-23 | 2017-11-18 | 9 | UCD | 3000m, 5000m, Road, XC |
| Jonathan Daly | m | 1999-12-03 | 2001-04-21 | 2 | UCD | 2000mW, 5000m |
| Kealan Daly | m | 2015-11-14 | 2015-11-14 | 1 | UCD | Road |
| Keith Daly | m | 1999-11-13 | 2006-03-04 | 20 | Dublin Colleges, UCD | 10000m, 3000mSC, Road, XC |
| P. Daly | m | 1986-05-02 | 1986-05-03 | 1 | TCD | HJ |
| Padraig Daly | m | 2009-03-07 | 2009-03-07 | 1 | UCD | XC |
| Richard Daly | m | 2000-04-14 | 2000-04-15 | 1 | WIT | 10000m |
| Robert Daly | m | 2001-04-20 | 2001-04-21 | 2 | UCD | 400m |
| Ronan Daly | m | 2005-12-10 | 2010-04-24 | 14 | UCD | 1500m, 2000mW, 35lbWfD, 4x400m, 800m, JT, Road |
| Ross Daly | m | 2019-02-08 | 2022-01-29 | 5 | AIT | 200m, 4x200m, 60m |
| S. Daly | m | 1964-05-31 | 1964-05-31 | 1 | NACA | LJ |
| Alan Danagher | m | 2015-03-07 | 2015-03-07 | 1 | DCU | XC |
| Alan Danagher | m | 2011-11-12 | 2013-11-23 | 10 | DCU, WIT | 400m, 4x400m, 5000m, 800m, Road, XC |
| David Danagher | m | 2013-11-23 | 2015-11-14 | 2 | DCU | Road |
| Holder Daniel | m | 2015-04-10 | 2015-04-11 | 4 | CIT | 35lbWfD, DT, HT, SP |
| Sasha Daniels | m | 2000-03-11 | 2000-03-11 | 1 | Dublin Colleges | XC |
| Danny Darcy | m | 2006-04-21 | 2008-03-08 | 6 | DCU | 1500m, Road, XC |
| Patrick Darcy | m | 2020-02-15 | 2020-02-15 | 2 | WIT | 35lbWfD, SP |
| Michael "Mike" Dardis | m | 1994-02-19 | 1995-03-04 | 4 | UL, Unknown | 10000m, 5000m, XC |
| Niall Dargan | m | 1993-03-06 | 1996-04-20 | 8 | UCD | 10000m, 3000m, 3000mSC, Road, XC |
| Paddy Darling | m | 1975-12-13 | 1976-03-06 | 2 | UCD | XC |
| A.C. Darragh | m | 1945-06-30 | 1945-06-30 | 1 | Combined Universities | 440y |
| Neil Darroch | m | 1999-06-22 | 2000-06-20 | 2 | GST, SU | 400m, 800m |
| Luis Darte | m | 1993-03-06 | 1993-03-06 | 1 | UU | XC |
| James Davenport | m | 2010-11-13 | 2010-11-13 | 1 | DIT | Road |
| Barry Davey | m | 1995-12-16 | 1996-02-10 | 3 | UCG | 3000m, XC |
| Patrick John "Paddy" Davey | m | 1962-02-17 | 1963-02-16 | 3 | TCD | XC |
| Brown David | m | 2019-04-05 | 2019-04-06 | 2 | IT Sligo | 100m, 200m |
| Gareth Davidson | m | 1996-04-19 | 1996-06-25 | 3 | IUAA, UU | 800m |
| J. Davidson | m | 1969-07-12 | 1969-07-12 | 5 | Edinburgh | HJ, HT, LJ, SP, TJ |
| Austin Davies | m | 2009-03-28 | 2009-03-28 | 1 | Wales | XC |
| Henry R. Davies | m | 1930-06-07 | 1933-05-27 | 6 | TCD | 100y, 220y |
| J. Davies | m | 1977-05-06 | 1977-05-17 | 6 | UCD | 110mH, HJ, PV |
| J. Davies | m | 1990-03-03 | 1990-03-03 | 1 | TCD | XC |
| Sam Davies | m | 2015-05-31 | 2015-05-31 | 1 | GST | 4x400m |
| Sam Davies | m | 2015-05-31 | 2016-05-28 | 3 | SUCA | 1500m, 4x100m, 5000m |
| William Davies | m | 1873-05-19 | 1873-05-19 | 2 | UCG | HJ, LJ |
| Alfie Davis | m | 2016-11-19 | 2018-03-10 | 3 | UCC | Road, XC |
| J. Davis | m | 1974-05-03 | 1974-05-04 | 2 | NCPE | LJ, TJ |
| Jamie Davis | m | 2009-02-14 | 2014-02-07 | 31 | UCD | 100m, 200m, 400m, 4x100m, 4x200m, 4x400m, 60m |
| John Davis | m | 2005-12-10 | 2005-12-11 | 1 | UL | 35lbWfD |
| Johnny Davis | m | 2004-12-03 | 2006-04-22 | 8 | UU | 100m, 4x100m, 4x200m, 60m |
| Jonathan Davis | m | 1994-06-28 | 1998-06-23 | 4 | GST, NI U23 | 100m, 200m |
| Luke Davis | m | 1999-11-13 | 2003-11-22 | 21 | DCU, Dublin Colleges, GST, UCD | 3000m, 3000mW, 4x200m, 5000m, 800m, HJ, LJ, Road, SP, XC |
| Niall Davis | m | 2000-12-01 | 2001-11-07 | 4 | UCD | 800m, Road, XC |
| Oisin Davis | m | 2022-11-11 | 2024-04-06 | 8 | UG | 1500m, Road, XC |
| Sam Davis | m | 2013-06-01 | 2013-06-01 | 1 | SU | 1500m |
| Seamus Davis | m | 1969-05-15 | 1970-05-13 | 3 | UCD | JTo |
| Conor Davitt | m | 1965-03-06 | 1965-03-06 | 1 | UCC | XC |
| D. Dawn | m | 1952-05-22 | 1952-05-22 | 1 | UCC | 3 Miles |
| Amr Dawood | m | 2014-02-07 | 2016-04-16 | 8 | TCD | 100m, 200m, 400m, 4x100m, 4x200m |
| Hugues De Barmon | m | 2015-11-14 | 2015-11-14 | 1 | TCD | Road |
| O. de Bruijn | m | 1993-06-22 | 1993-06-22 | 2 | SU | 100m, 200m |
| Erik De Bruin | m | 1993-02-12 | 1993-02-12 | 1 | GST | SP |
| Liam de Buitleir | m | 2024-02-10 | 2024-02-10 | 2 | UCD | 35lbWfD, SP |
| Paulo De Gregario | m | 2003-04-25 | 2003-04-26 | 2 | UCD | 400m, 4x400m |
| Pau De Hora | m | 1981-03-07 | 1982-05-01 | 3 | UCG | 10000m, XC |
| D. De Loughrey | m | 1959-05-17 | 1959-05-17 | 1 | NACA | 440y |
| Liam De Paor | m | 1992-04-24 | 1992-04-25 | 1 | UCD | 3000mW |
| Norman F. De Vere | m | 1936-05-30 | 1937-05-22 | 2 | TCD | 440y |
| Norman Frederick De Vere | m | 1938-07-06 | 1938-07-06 | 3 | IUAA | 440y, 440y, 220yx2, 440y, 880y |
| Michael Deady | m | 2013-02-01 | 2017-04-08 | 31 | IUAA, WIT | 100m, 200m, 4x100m, 4x200m, 60m |
| Conor Deane | m | 2020-03-07 | 2022-03-05 | 4 | UG | Road, XC |
| M. Deane | m | 1980-03-01 | 1980-03-01 | 1 | QUB | XC |
| R. Deans | m | 1929-07-03 | 1929-07-03 | 1 | Atalanta | 2 Miles |
| Finbarr Deasey | m | 1986-03-08 | 1986-03-08 | 1 | UCC | XC |
| Brian Deasy | m | 1998-02-28 | 1998-12-12 | 3 | CIT | PV, XC |
| Eoin Deasy | m | 2012-11-17 | 2012-11-17 | 1 | UCC | Road |
| James Deasy | m | 2015-03-07 | 2015-03-07 | 1 | WIT | XC |
| Michael "Mike" Deasy | m | 1986-03-08 | 1991-03-02 | 8 | UCG | 10000m, 5000m, XC |
| Kieren Debaddi | m | 1999-12-03 | 1999-12-04 | 1 | QUB | LJ |
| Rian Debairead | m | 2021-11-13 | 2023-11-10 | 2 | UG | Road |
| Ciarán DeBarra | m | 1964-02-15 | 1965-03-06 | 3 | UCC | 3 Miles, XC |
| Kieran Debbadi | m | 1999-12-03 | 1999-12-04 | 3 | QUB | 200m, 60m, SP |
| Dermot DeBurca | m | 1990-03-03 | 1991-03-02 | 2 | UCD | XC |
| Dermott DeBurca | m | 1989-03-04 | 1992-03-07 | 3 | UCD | 5000m, XC |
| Ciaran Dee | m | 2015-04-10 | 2020-02-15 | 33 | UCC | 200m, 3000mW, 400m, 4x100m, 4x200m, 4x400m |
| Ciaran Dee | m | 2022-01-29 | 2022-04-09 | 9 | CIT | 100m, 200m, 400m, 4x100m, 4x200m, 4x400m |
| Gregory T.P. "Greg" Dee | m | 1971-12-11 | 1976-12-04 | 19 | TCD | 400m, 800m, XC |
| Peter Francis Dee | m | 1968-05-01 | 1972-05-10 | 12 | IUAA, TCD | 4x110y, JTo, LJ, TJ |
| Darren Deed | m | 2009-03-28 | 2009-03-28 | 1 | England | XC |
| Gerry Deegan | m | 1977-06-14 | 1977-06-14 | 1 | Ireland | 3000m |
| Richard Deegan | m | 2008-03-08 | 2008-03-08 | 1 | GST | XC |
| Shaun Deery | m | 2012-07-18 | 2012-07-18 | 1 | Olympian | 400m |
| K. Deevy | m | 1983-05-06 | 1983-05-07 | 1 | NIHED | 800m |
| Timothee Delacroix | m | 2017-11-18 | 2017-11-18 | 1 | CIT | Road |
| Niall Delahunt | m | 2017-02-10 | 2017-02-10 | 1 | MU | 200m |
| Thomas Delahunt | m | 2016-03-05 | 2016-03-05 | 1 | DCU | XC |
| Cormac Delahunty | m | 2011-02-05 | 2011-03-12 | 2 | UL | 3000m, XC |
| Martin Delahunty | m | 2007-04-13 | 2007-04-14 | 1 | UL | 3000mW |
| Martin Delahunty | m | 2009-11-14 | 2010-02-13 | 2 | WIT | 2000mW, Road |
| Paul Delahunty | m | 2022-11-11 | 2022-11-11 | 1 | DCU | Road |
| Alan Delaney | m | 1999-12-03 | 2002-04-20 | 15 | UL | 110mH, 400mH, 60mH, CE, HJ, LJ, SP |
| Barry Delaney | m | 1993-02-12 | 2000-04-15 | 27 | IUAA, UCD | 200m, 35lbWfD, 400mH, 60mH, DT, HT, SP |
| Daniel Delaney | m | 2005-11-19 | 2005-11-19 | 1 | UCD | Road |
| David Delaney | m | 1998-04-24 | 1999-04-24 | 3 | UL | 800m |
| Eoin Delaney | m | 2012-04-11 | 2015-04-11 | 15 | UCD | 100m, 200m, 4x100m, 4x200m |
| Ian Delaney | m | 1982-12-04 | 1983-03-12 | 2 | UCD | XC |
| Maurice Delaney | m | 1978-05-05 | 1981-05-02 | 9 | UCC, Unknown | 100m, 110mH, 200m, 400mH, HJ, LJ |
| P. Delaney | m | 1959-05-17 | 1959-05-17 | 1 | IUAA | 440y |
| Zachary Delaney | m | 2013-06-01 | 2013-06-01 | 1 | GST | 4x400m |
| Zachary Delaney | m | 2013-06-01 | 2013-06-01 | 1 | SU | 3000mSC |
| Chris Delaney Kearns | m | 2019-02-08 | 2019-04-06 | 8 | AIT | 400mH, 4x200m, 4x400m, 60mH, TJ, XC |
| Peter Delany | m | 2022-04-08 | 2022-04-09 | 1 | MU | JT |
| Conor Delap | m | 1998-12-11 | 1998-12-12 | 2 | UCD | 1500m, HJ |
| Craig Delavari | m | 2006-04-21 | 2006-12-03 | 2 | RCSI | 400m |
| Frederick Demanceau | m | 1996-02-09 | 1996-04-20 | 6 | UCC | 100m, 200m, 4x200m, 60m |
| Brendan Dempsey | m | 1960-05-14 | 1961-06-01 | 4 | IUAA, UCD, UCG | 440y |
| Conor Dempsey | m | 2017-04-07 | 2018-04-14 | 11 | IUAA, TCD | 100m, 200m, 4x100m |
| J. Dempsey | m | 1933-07-10 | 1933-07-10 | 1 | The Rest | 440y |
| Jack Dempsey | m | 2020-02-15 | 2020-02-15 | 3 | UG | 4x200m, 60m |
| M. Dempsey | m | 1933-05-27 | 1933-05-27 | 2 | UCD | 120yH |
| M.J.C. Dempsey | m | 1933-07-10 | 1934-05-26 | 3 | The Rest, UCD | 120yH |
| P. Dempsey | m | 1955-05-19 | 1955-05-19 | 1 | UCC | 220y |
| Paul Dempsey | m | 1995-06-17 | 1995-06-17 | 2 | Dublin | JT, LJ |
| Paul D. Dempsey | m | 1959-05-13 | 1959-05-17 | 4 | IUAA, UCC | 220y, 440y, 4x110y |
| Ian Denham | m | 2007-04-13 | 2007-04-14 | 1 | DCU | 4x100m |
| Brian Dennehy | m | 2004-02-06 | 2007-11-17 | 15 | TCD | 400m, 4x100m, 4x200m, 4x400m, 800m, Road |
| Cathal Dennehy | m | 2005-11-19 | 2007-11-17 | 6 | DCU, IUAA | 3000mSC, Road, XC |
| Douglas M. Dennehy | m | 1946-07-14 | 1948-05-22 | 3 | UCC | 120yH |
| Mark I.M. Dennehy | m | 1980-05-14 | 1982-05-01 | 2 | TCD | PV |
| Niall Dennehy | m | 1999-11-13 | 2000-02-26 | 2 | UG | Road, XC |
| Tim Dennehy | m | 1991-03-02 | 1991-03-02 | 1 | UCC | XC |
| Ferghal Desmond | m | 2023-11-10 | 2023-11-10 | 1 | UCC | Road |
| Finbar Desmond | m | 1995-12-16 | 1995-12-16 | 1 | UL | XC |
| Jeremy Desmond | m | 1995-03-04 | 1996-04-20 | 8 | UCC | 200m, 400m, 4x200m, XC |
| Xavier Despinoy | m | 1995-03-11 | 1995-06-20 | 4 | SU | HJ, PV |
| Conor Devane | m | 2018-11-17 | 2021-09-26 | 4 | UCD | Road, XC |
| Donal Devane | m | 2018-11-17 | 2022-04-09 | 9 | UG | 5000m, Road, XC |
| Thomas Devaney | m | 2021-09-26 | 2023-03-04 | 8 | UL | 10000m, 3000m, 5000m, Road, XC |
| Brian Devasquale | m | 2001-12-07 | 2001-12-08 | 2 | UCC | 60mH, LJ |
| Simon Devenney | m | 2011-03-12 | 2015-02-06 | 9 | IT Tallaght | 1500m, 3000m, 3000mSC, 5000m, XC |
| Chris Devenny | m | 2007-03-31 | 2007-03-31 | 1 | SU | XC |
| Lughàn Devenny | m | 2019-11-16 | 2019-11-16 | 1 | MU | Road |
| Karl Devin | m | 2015-02-06 | 2015-04-11 | 9 | UCD | 35lbWfD, 4x100m, 4x200m, 60m, SP |
| Arthur Devine | m | 1979-05-04 | 1982-05-12 | 13 | UCD | 200m, 400m |
| Patrick Gerald Devine | m | 1989-03-04 | 1991-03-02 | 2 | TCD | XC |
| Alfie Devine-Wright | m | 2023-03-04 | 2023-03-04 | 1 | TCD | XC |
| Liam Devins | m | 2012-02-04 | 2012-02-04 | 1 | IT Tralee | SP |
| G. Devlin | m | 1995-03-11 | 1995-03-11 | 2 | Loughborough | 60m, LJ |
| Gareth Devlin | m | 1993-06-22 | 1996-06-25 | 4 | NI U20, NI U23 | LJ, TJ |
| John Devlin | m | 2003-03-22 | 2003-03-22 | 1 | NI U23 | XC |
| John Devlin | m | 1997-06-24 | 1999-06-22 | 3 | NI U23 | 1500m, Mile |
| Matthew Devlin | m | 2016-11-19 | 2018-04-14 | 5 | QUB | 1500m, Road |
| Ciaran Devoy | m | 1994-01-21 | 1994-01-21 | 1 | UCC | 400m |
| Francois Devulder | m | 2004-12-03 | 2005-11-19 | 9 | TCD | 400m, 400mH, 4x200m, 4x400m, LJ, Road |
| K. Dexter | m | 1957-05-18 | 1957-05-18 | 1 | UCG | Mile |
| Chris Diamond | m | 2002-11-16 | 2003-11-22 | 2 | QUB | Road |
| Daniel Diamond | m | 2009-02-14 | 2009-11-14 | 4 | QUB | 1500m, 800m, Road |
| Sean Diamond | m | 2022-03-05 | 2023-03-04 | 2 | QUB | XC |
| J.H.G. Dick | m | 1933-05-27 | 1933-05-27 | 3 | QUB | 100y, 220y |
| Aidan Dickey | m | 2019-02-08 | 2020-02-15 | 2 | QUB | 60m |
| R. Dickie | m | 1938-07-06 | 1939-07-01 | 3 | Atalanta | HJ, LJ |
| B. Dickson | m | 1977-06-14 | 1977-06-14 | 1 | SU | 800m |
| James Alfred Nicholson Dickson | m | 1920-06-05 | 1920-06-05 | 1 | TCD | HJ |
| S. Dickson | m | 1995-03-11 | 1995-03-11 | 1 | Loughborough | 60m |
| Anthony Dillion | m | 2022-01-29 | 2023-11-28 | 4 | DCU, DKIT | 100m, 60m |
| Anthony Dillon | m | 2024-02-10 | 2024-02-10 | 2 | DCU | 4x200m, 60m |
| Conor Dillon | m | 1998-12-11 | 1998-12-12 | 1 | UL | HJ |
| John James Dillon | m | 1969-05-03 | 1974-05-15 | 44 | GST, IUAA, TCD | 100y, 110mH, 120yH, 200m, 220y, 400m, 400mH, 440y, 440yH, 4x100m, 4x110y, 800m, XC |
| Anthony "Tony" Dineen | m | 1967-05-05 | 1968-05-11 | 2 | UCC | JTo |
| F. Dineen | m | 1989-03-04 | 1989-05-06 | 2 | Cork RTC, GST | 800m, XC |
| Jamie Dineen | m | 2007-02-24 | 2007-04-14 | 2 | CIT | 3000mSC, XC |
| Mark Dineen | m | 2005-11-19 | 2009-04-25 | 17 | CIT | 2000mW, 3000mW, 4x200m, 4x400m, 60mH, LJ, Road, TJ, XC |
| Stephen Dineen | m | 2009-11-14 | 2011-04-30 | 8 | UU | 1500m, 800m, Road, XC |
| David Dinneen | m | 2019-11-16 | 2019-11-16 | 1 | QUB | Road |
| Thomas Dinneen | m | 1992-04-24 | 1992-04-25 | 2 | TCD | 35lbWfD, HT |
| D. Dinshore | m | 1977-03-12 | 1977-03-12 | 1 | NUU | XC |
| Luke Dinsmore | m | 2016-11-19 | 2019-11-16 | 11 | QUB | 1500m, 3000m, 4x100m, 800m, Road, XC |
| Patrick Dinsmore | m | 1993-06-22 | 1994-06-28 | 2 | GST, NI U20 | 3000mSC |
| Chris Discombe | m | 2009-03-28 | 2009-03-28 | 1 | Wales | XC |
| Joe Diskin | m | 2000-04-14 | 2003-04-26 | 5 | DIT, GST, IUAA | JT |
| Jonathan Diver | m | 1992-03-07 | 1992-03-07 | 1 | GST | XC |
| Eugene Diviney | m | 1977-06-14 | 1977-06-14 | 1 | BLE Select | SP |
| Robert Philip Dix | m | 1972-05-10 | 1972-05-10 | 2 | TCD | 100m, 4x100m |
| Evan Dixon | m | 2013-04-12 | 2013-04-13 | 2 | IT Carlow | 4x100m |
| J.P. Dixon | m | 1998-12-11 | 2000-02-26 | 2 | UL | 1500m, XC |
| M. Dixon | m | 1995-03-11 | 1995-03-11 | 1 | Loughborough | 200m |
| N. Dixon | m | 1995-03-11 | 1995-03-11 | 1 | Loughborough | SP |
| T. Dixon | m | 1986-03-08 | 1989-05-06 | 4 | NIHED | 1500m, 800m, XC |
| W.A. Dixon | m | 1913-05-24 | 1913-05-24 | 1 | TCD | HJ |
| Eoghan Dobey | m | 2017-02-10 | 2018-04-14 | 9 | UG | 100m, 200m, 4x100m, 4x200m, 4x400m |
| Ronan Dobey | m | 2013-02-01 | 2013-02-01 | 2 | UG | 200m, 60m |
| Scott Docherty | m | 2012-07-18 | 2012-07-18 | 1 | Ballymena & Antrim AC | 100m |
| Conor Doheny | m | 2001-04-20 | 2001-04-21 | 1 | UCD | HJ |
| Emmet Doheny | m | 2012-03-10 | 2012-03-10 | 1 | IT Carlow | XC |
| Ronan Doher | m | 2023-11-10 | 2023-11-10 | 1 | TCD | Road |
| Aaron Doherty | m | 1998-06-23 | 1998-06-23 | 1 | NI U23 | 5000m |
| B. Doherty | m | 1986-03-08 | 1986-03-08 | 1 | SPM | XC |
| Brian Doherty | m | 2003-04-25 | 2003-04-26 | 1 | RCSI | 100m |
| Charlie Doherty | m | 1969-03-01 | 1971-02-20 | 5 | UCD | 5000m, Mile, XC |
| Christopher Doherty | m | 2014-02-07 | 2017-05-27 | 7 | IUAA, TCD | 4x400m, PV |
| Ciaran Doherty | m | 1993-06-22 | 1994-06-28 | 2 | NI U20 | 110mH |
| Ciaran Doherty | m | 1994-06-28 | 1994-06-28 | 1 | GST | HJ |
| Cillian Doherty | m | 2018-03-10 | 2022-03-05 | 11 | Ireland, TCD | 1500m, 800m, XC |
| Con Doherty | m | 2021-09-26 | 2021-09-26 | 1 | UL | XC |
| Conor Doherty | m | 2014-02-07 | 2015-05-31 | 5 | GST, LYIT | 100m, 3000m, 5000m |
| Conor Doherty | m | 2024-03-09 | 2024-03-09 | 1 | QUB | XC |
| Constantine Doherty | m | 2014-11-15 | 2015-04-11 | 3 | UCD | 10000m, Road, XC |
| Cormac Doherty | m | 2009-02-14 | 2010-11-13 | 10 | TCD | 200m, 4x100m, 4x200m, 60m, Road |
| Diarmaid Doherty | m | 2012-07-18 | 2012-07-18 | 1 | Derry City | 800m |
| Eoin Doherty | m | 2013-06-01 | 2013-06-01 | 1 | GST | 100m |
| Eoin Doherty | m | 2017-02-10 | 2020-02-15 | 14 | DCU | 100m, 4x100m, 60m |
| Eoin Doherty | m | 2022-01-29 | 2022-01-29 | 1 | MU | 60m |
| Fintan Doherty | m | 2012-11-17 | 2012-11-17 | 1 | UCD | Road |
| G. Doherty | m | 1980-03-01 | 1980-03-01 | 1 | UCD | XC |
| Gerald Doherty | m | 1983-03-12 | 1986-03-08 | 3 | UCD | XC |
| Gerard Doherty | m | 1989-05-05 | 1996-02-10 | 5 | GST, UU | 35lbWfD, DT, HT, SP |
| John B. Doherty | m | 1972-03-04 | 1979-05-05 | 14 | UCG | 10000m, 1500m, 5000m, XC |
| Joseph Doherty | m | 2020-02-15 | 2023-04-22 | 6 | UG | 100m, 200m, 400m, 4x400m |
| Keelan Doherty | m | 2020-02-15 | 2022-03-05 | 3 | WIT | 800m, XC |
| Keith Doherty | m | 2013-02-01 | 2014-04-12 | 4 | DCU | PV |
| L. Doherty | m | 1975-03-08 | 1975-03-08 | 1 | SPM | XC |
| Leo Doherty | m | 2019-11-16 | 2019-11-16 | 1 | IT Sligo | Road |
| Liam Doherty | m | 1978-06-30 | 1978-06-30 | 1 | President's Select | 110mH |
| Liam Doherty | m | 1978-06-30 | 1978-06-30 | 1 | President's Select | 400mH |
| Liam Doherty | m | 1996-02-17 | 1998-02-28 | 4 | TCD | XC |
| Niall Doherty | m | 2000-11-12 | 2003-04-26 | 10 | DCU | 4x100m, 4x400m, 800m, HT, Road, XC |
| Padraig Doherty | m | 1999-12-03 | 1999-12-04 | 3 | UCD | 400m, 4x200m |
| Paul Doherty | m | 2009-02-14 | 2012-02-04 | 22 | DCU | 110mH, 60mH, CE, HJ, LJ, SP |
| Paul Doherty | m | 2009-02-14 | 2009-02-15 | 1 | GST | 60mH |
| Philip Doherty | m | 2011-04-29 | 2011-04-30 | 5 | CIT | 110mH, CE, HJ, LJ, SP |
| Shane Patrick Doherty | m | 2009-11-14 | 2011-03-12 | 3 | TCD | Road, XC |
| Ciaran Dolan | m | 2012-07-18 | 2012-07-18 | 3 | Finn Valley Ac | 100m, LJ |
| John Dolan | m | 2001-04-20 | 2001-04-21 | 1 | AIT | LJ |
| Kieran Dolan | m | 1996-02-09 | 1996-02-10 | 1 | GST | SP |
| P. Dolan | m | 1978-03-04 | 1979-03-17 | 2 | NUU | XC |
| Peter Dolan | m | 2002-11-16 | 2002-11-16 | 1 | QUB | Road |
| Rod Dolan | m | 1970-12-12 | 1970-12-12 | 1 | UCD | XC |
| Stephen Dolan | m | 2009-03-07 | 2009-03-07 | 1 | NUIM | XC |
| Frankie Dolphin | m | 2019-02-08 | 2019-02-08 | 4 | UCD | 60mH, HJ, LJ, TJ |
| M. Dolphin | m | 1977-05-06 | 1977-05-07 | 1 | UCG | HJ |
| Colm Dolton | m | 1996-02-09 | 1996-02-10 | 1 | GST | 3000m |
| Michael Donaghey | m | 2013-03-09 | 2013-03-09 | 1 | LYIT | XC |
| David Donaghy | m | 1995-06-20 | 1995-06-20 | 1 | NI U23 | 200m |
| David Donaghy | m | 1998-04-24 | 1999-04-24 | 4 | UU | 100m |
| T. Donaghy | m | 1980-03-01 | 1980-03-01 | 1 | UCD | XC |
| Malua Donahue | m | 1994-02-19 | 1994-02-19 | 1 | QUB | XC |
| Alex Donald | m | 1997-06-24 | 1998-06-23 | 2 | NI U23 | 3000mSC |
| Aidan Donaldson | m | 1977-03-12 | 1985-03-09 | 6 | QUB | XC |
| M. Donaldson | m | 1975-03-08 | 1975-03-08 | 1 | QUB | XC |
| V. Donaldson | m | 1976-03-06 | 1976-03-06 | 1 | QUB | XC |
| Luca Donatella | m | 2019-04-05 | 2020-02-15 | 2 | UG | 400m |
| Barry Donavan | m | 2017-04-07 | 2017-04-08 | 1 | IT Carlow | 10000m |
| Jack Donegan | m | 2023-11-10 | 2023-11-10 | 1 | TUS | Road |
| Jason Donegan | m | 2014-11-15 | 2014-11-15 | 1 | AIT | Road |
| Mark Donegan | m | 2013-11-23 | 2015-03-07 | 4 | AIT | Road, XC |
| Sean Donegan | m | 2016-04-15 | 2016-04-16 | 3 | AIT | 400m, 4x400m |
| Sean Donegan | m | 2017-02-10 | 2018-04-14 | 12 | UCD | 400m, 4x100m, 4x200m, 4x400m |
| Findley Donegoen | m | 2017-05-27 | 2019-05-25 | 4 | Scotland, SUCA | HJ, TJ |
| Mark Donlon | m | 2003-03-09 | 2003-11-22 | 3 | DIT | 800m, Road, XC |
| Sean Donnegan | m | 2013-02-01 | 2015-04-11 | 22 | AIT | 400m, 4x100m, 4x200m, 4x400m |
| Fintan Donnelan | m | 2010-03-13 | 2011-04-30 | 2 | UG | 1500m, XC |
| J. Donnell | m | 1964-05-30 | 1964-05-30 | 1 | AAUE | DT |
| Martin Donnellan | m | 1973-03-10 | 1977-05-07 | 8 | UCG | 10000m, 3000mSC, 800m, XC |
| Shane Donnellan | m | 2007-11-17 | 2007-11-17 | 1 | UCD | Road |
| Aaron Donnelly | m | 2019-11-16 | 2019-11-16 | 1 | QUB | Road |
| C. Donnelly | m | 1989-05-05 | 1989-05-06 | 3 | UCG | 110mH, 400mH |
| Dermot Donnelly | m | 1990-03-03 | 1995-03-04 | 5 | IUAA, QUB | 5000m, XC |
| Enda Donnelly | m | 1996-04-19 | 1998-04-25 | 10 | UL | 200m, 400m, 4x200m |
| J. Donnelly | m | 1982-03-06 | 1986-03-08 | 4 | SPM | 10000m, XC |
| John Donnelly | m | 1996-06-25 | 2002-06-18 | 22 | IUAA, NI U23, QUB | 100m, 200m, 4x100m, LJ, TJ |
| John Donnelly | m | 2021-11-13 | 2021-11-13 | 1 | QUB | Road |
| Paul Donnelly | m | 1968-11-30 | 1969-03-01 | 2 | TCD | XC |
| Phil Donnelly | m | 2014-02-07 | 2014-02-07 | 1 | IT Tallaght | 200m |
| Shane Donnelly | m | 2019-11-16 | 2019-11-16 | 1 | UU | Road |
| Turlough Donnelly | m | 1996-12-13 | 2003-03-22 | 10 | GST, NI U23, QUB | 10000m, 1500m, 3000m, Road, XC |
| Brian Donoghue | m | 1996-04-19 | 2000-04-15 | 3 | UCC | 400m, LJ, TJ |
| Bryan Donoghue | m | 1996-02-09 | 2003-04-26 | 24 | IUAA, UCC | 200m, 400m, 400mH, 4x200m, 4x400m, TJ |
| Dara Donoghue | m | 2024-02-10 | 2024-04-06 | 5 | DCU | 1500m, 400m, Mixed 4x400m |
| Maurice Donoghue | m | 2003-11-22 | 2009-04-25 | 40 | IUAA, UL | 200m, 35lbWfD, 400m, 400mH, 4x100m, 4x200m, 4x400m, 60mH, DT, JT, Road, SP |
| Daire Donohoe | m | 2023-01-28 | 2024-04-06 | 14 | TCD | 100m, 200m, 4x100m, 4x200m |
| Daniel Donohoe | m | 2009-11-14 | 2009-11-14 | 1 | TCD | Road |
| Ferdia Donohoe | m | 2011-02-05 | 2011-02-05 | 4 | DCU | 2000mW, 4x200m, 60m |
| Francis Donohue | m | 1992-03-07 | 1992-03-07 | 1 | NUIM | XC |
| Shaun Donohue | m | 2016-02-12 | 2019-05-25 | 29 | Ireland, WIT | 200m, 400m, 4x100m, 4x200m, 4x400m, Road |
| Ben Donovan | m | 2020-02-15 | 2022-04-09 | 14 | CIT | 4x100m, 4x200m, 60mH, CE, HJ, LJ, SP, TJ |
| Ben Donovan | m | 2023-01-28 | 2024-04-06 | 11 | GST, MTU | 110mH, 4x100m, HJ, PV, TJ |
| Declan Donovan | m | 1994-04-22 | 1994-04-23 | 1 | DCU | 1500m |
| H. Donovan | m | 1977-05-06 | 1977-05-07 | 1 | UCG | HJ |
| Pat Donovan | m | 1999-11-13 | 2003-11-22 | 8 | TCD | 3000m, Road, XC |
| R. Donovan | m | 1986-03-08 | 1986-03-08 | 1 | UCG | XC |
| Robert E. Donovan | m | 1873-05-19 | 1873-05-19 | 2 | UCC | 880y, Mile |
| Joe Doody | m | 2024-02-10 | 2024-04-06 | 5 | UCD | 400m, 4x400m |
| Sean Doohan | m | 1948-05-22 | 1948-05-22 | 2 | UCD | HJ, LJ |
| Cathal Doolan | m | 2002-12-06 | 2002-12-07 | 2 | DIT | 3000m |
| Ryan Doolan | m | 2001-06-19 | 2001-06-19 | 1 | NI U23 | HJ |
| Adam Dooley | m | 2020-02-15 | 2023-11-28 | 3 | UL | LJ, TJ |
| Adam Dooley | m | 2024-02-10 | 2024-02-10 | 1 | UL | LJ |
| John Dooley | m | 1973-12-08 | 1973-12-08 | 1 | TCD | XC |
| John Dooley | m | 1970-05-09 | 1972-05-10 | 10 | UCD | 1500m, 800m, XC |
| M. Dooley | m | 1967-05-27 | 1967-05-27 | 1 | Army | 440y |
| Mark Dooley | m | 2008-03-08 | 2011-04-30 | 9 | DCU | 10000m, 5000m, Road, XC |
| Peter Dooley | m | 1988-03-05 | 1989-03-04 | 2 | UCG | XC |
| Ronin Doolin | m | 2003-04-25 | 2003-04-26 | 1 | UCD | 800m |
| Conor Dooney | m | 2012-11-17 | 2014-02-07 | 7 | DIT | 10000m, 1500m, Road, XC |
| Robert J. "Roy" Dooney | m | 1976-12-04 | 1980-05-14 | 11 | TCD | 10000m, 5000m, XC |
| Ronan Doorley | m | 2014-11-15 | 2015-03-07 | 3 | TCD | Road, XC |
| Adam Doran | m | 2016-02-12 | 2016-02-12 | 5 | UCD | CE, HJ, LJ, PV, SP |
| Daniel Doran | m | 2012-02-04 | 2012-04-21 | 4 | DCU | 100m, 4x100m, 4x200m |
| David Doran | m | 2012-03-10 | 2016-04-16 | 15 | DIT | 1500m, 3000m, 3000mSC, 400mH, CE, HJ, LJ, Road, SP, XC |
| F. Doran | m | 1978-03-04 | 1978-03-04 | 1 | NUU | XC |
| James Doran | m | 2002-11-16 | 2003-11-22 | 6 | IT Tralee | 10000m, 3000m, Road, XC |
| James Doran | m | 2008-03-08 | 2008-03-08 | 1 | UCD | XC |
| Richie Doran | m | 1998-04-24 | 1998-04-25 | 1 | UCC | 5000m |
| Barry Dorcy | m | 1993-02-12 | 1993-05-08 | 2 | UL | 400m, CE |
| Michael Dore | m | 2007-04-13 | 2010-04-24 | 11 | UL | 1500m, 800m, HJ, Road, XC |
| Eoghan Dorgan | m | 2020-02-15 | 2022-04-09 | 2 | AIT | 35lbWfD |
| John Dorian | m | 2000-04-14 | 2000-04-15 | 1 | RCSI | 10000m |
| Ger Dorrie | m | 1982-03-06 | 1982-03-06 | 1 | UCD | XC |
| Roger Dorsch | m | 2000-11-12 | 2001-04-07 | 4 | UCD | 3000m, Road, XC |
| Tomas Doubeta | m | 2004-02-06 | 2004-02-07 | 2 | GST | 200m |
| Lucas Doucet | m | 2023-11-10 | 2023-11-10 | 1 | TUD | Road |
| Hampton A. Dougan | m | 1935-05-25 | 1937-05-22 | 7 | TCD | 880y, HJ, Mile |
| Neil Dougan | m | 2005-04-22 | 2006-04-22 | 7 | UU | 2000mW, 35lbWfD, DT, HT, JT |
| Keith Douglas | m | 1995-12-16 | 1995-12-16 | 1 | Waterford RTC | XC |
| Matthew Douglas | m | 1994-06-28 | 1996-06-25 | 3 | NI U20, NI U23 | 110mH, 400m, 400mH |
| N. Douglas | m | 1989-03-04 | 1989-03-04 | 1 | UU | XC |
| Scott Douglas | m | 2001-06-19 | 2001-06-19 | 1 | SU | LJ |
| B. Dover | m | 1977-06-14 | 1977-06-14 | 1 | Birmingham | 200m |
| Joe Dowd | m | 2022-01-29 | 2024-02-10 | 6 | TUD | 1500m, 3000m |
| B. Dowdall | m | 1961-05-14 | 1961-05-14 | 1 | NACA | TJ |
| Mark Dowdall | m | 2006-12-02 | 2007-04-14 | 3 | DCU | 100m, 200m |
| Stephen Dowdall | m | 1995-06-17 | 1995-06-17 | 1 | Dublin | HJ |
| Colm Dowds | m | 2003-11-22 | 2003-11-22 | 1 | TCD | Road |
| Adam Dowling | m | 2013-02-01 | 2015-04-11 | 4 | IT Carlow | 200m, 4x200m, LJ |
| Brendan Dowling | m | 2002-04-19 | 2002-04-20 | 3 | UG | 4x400m, 800m |
| Brendan Dowling | m | 1998-12-11 | 1998-12-12 | 1 | WIT | 400m |
| C. Dowling | m | 1921-06-04 | 1923-06-02 | 3 | QUB | 440y, 880y |
| J. Dowling | m | 1971-02-20 | 1971-02-20 | 1 | UCD | XC |
| Michael Dowling | m | 2009-11-14 | 2013-04-13 | 22 | WIT | 1500m, 3000m, 4x200m, 4x400m, 800m, Road, XC |
| Sean Dowling | m | 2017-02-10 | 2018-04-14 | 6 | DIT | 200m, 400m |
| Thomas Michael Dowling | m | 1912-06-03 | 1914-06-06 | 4 | TCD | 880y, Mile |
| E.A. Downer | m | 1951-03-03 | 1951-03-03 | 1 | English Unis | XC |
| Cormac Downes | m | 2019-04-05 | 2020-03-07 | 3 | WIT | 1500m, 800m, XC |
| Cormac Downes | m | 2021-09-26 | 2021-11-13 | 2 | WIT | Road, XC |
| A. Downey | m | 1994-02-19 | 1994-02-19 | 1 | UCG | XC |
| Fergal Downey | m | 1983-05-06 | 1986-05-03 | 7 | UCD | DT, SP |
| Gavin Downey | m | 2008-11-15 | 2013-04-13 | 20 | WIT | 1500m, 3000mSC, 4x400m, Road, XC |
| Paul Downey | m | 2011-03-12 | 2011-04-30 | 3 | CIT | 10000m, 1500m, XC |
| Michael Downie | m | 2014-05-31 | 2014-05-31 | 3 | SAL Select | 110mH, JT, SP |
| Fabian Downs | m | 2008-03-28 | 2008-03-28 | 1 | Welsh Universities | XC |
| Adian Doyle | m | 2001-04-07 | 2001-04-07 | 1 | DIT | XC |
| Adrian Doyle | m | 1995-12-16 | 1999-03-06 | 6 | UCC | 10000m, 1500m, XC |
| Aidan Doyle | m | 1999-11-13 | 2001-04-21 | 4 | DIT, GST | 10000m, 5000m, Road |
| Andrew Doyle | m | 2001-12-07 | 2004-02-07 | 13 | WIT | 100m, 200m, 400m, 4x100m, 4x200m, 4x400m, 60m, LJ |
| B. Doyle | m | 1976-05-11 | 1976-05-11 | 1 | TCD | LJ |
| Brendan Doyle | m | 2001-12-07 | 2005-04-23 | 28 | UL | 110mH, 4x100m, 4x200m, 60mH, CE, HJ, JT, LJ, SP, TJ |
| Brian Seamus Doyle | m | 1973-05-16 | 1976-05-11 | 9 | TCD | 100m, 200m, 400m, 4x100m |
| Cathal Doyle | m | 2017-11-18 | 2020-03-07 | 7 | DCU | 5000m, Road, XC |
| Ciaran Doyle | m | 1994-02-19 | 1996-04-20 | 4 | TCD | 10000m, XC |
| Ciaran Doyle | m | 1988-03-01 | 1988-03-01 | 1 | UCD | XC |
| Cillian Doyle | m | 2001-11-07 | 2001-11-07 | 1 | IT Tallaght | Road |
| Colin Doyle | m | 2022-01-29 | 2022-01-29 | 4 | CIT | 200m, 4x200m |
| Colin Doyle | m | 2023-01-28 | 2024-02-10 | 11 | GST, MTU | 200m, 4x100m, 4x200m, 60m |
| Conan Doyle | m | 1996-02-09 | 1996-02-10 | 1 | GST | 800m |
| David Doyle | m | 2024-02-10 | 2024-04-06 | 4 | UCD | 200m, 400m, LJ |
| Eric Doyle | m | 1989-03-04 | 1991-03-02 | 2 | SPM | XC |
| Garrett Doyle | m | 1996-12-13 | 1996-12-14 | 1 | Carlow RTC | TJ |
| Gary Doyle | m | 1999-12-03 | 1999-12-04 | 2 | NUIM | 4x200m, HJ |
| Harry Doyle | m | 2023-03-04 | 2023-03-04 | 1 | UCD | XC |
| James S. Doyle | m | 1933-07-10 | 1933-07-10 | 1 | The Rest | Mile |
| Kevin Doyle | m | 2002-11-16 | 2002-11-16 | 1 | TCD | Road |
| Kieran Doyle | m | 2023-11-10 | 2023-11-10 | 1 | UL | Road |
| Len Doyle | m | 1995-06-17 | 1995-06-17 | 1 | Dublin | 1500m |
| M. Doyle | m | 1983-05-06 | 1985-05-04 | 3 | QUB | 4x400m, 800m |
| Mark Doyle | m | 1997-12-12 | 1998-04-25 | 6 | UCD | 4x400m, 800m, XC |
| Ray Doyle | m | 1992-03-07 | 1996-02-10 | 3 | UL | 2000mW, XC |
| Simon Doyle | m | 1986-05-02 | 1986-05-03 | 2 | QUB | 110mH, 4x100m |
| Serag Dredar | m | 2000-04-14 | 2004-04-17 | 3 | RCSI | 10000m, 3000mSC, 4x100m |
| Jimmy Dripps | m | 1968-03-02 | 1969-03-01 | 3 | QUB | 3 Miles, XC |
| Declan J.D. Drislane | m | 1976-05-11 | 1977-05-17 | 8 | TCD | 100m, 200m, 4x100m |
| Tristan Druet | m | 2005-11-19 | 2006-04-22 | 3 | UCC | 10000m, Road, XC |
| Brian Drumm | m | 1982-12-04 | 1982-12-04 | 1 | UCD | XC |
| Callum Drummond | m | 2016-05-28 | 2018-05-26 | 7 | Scotland, SUCA | 1500m, 4x400m, 800m |
| Darren Drummy | m | 1997-04-25 | 1997-04-26 | 1 | WIT | 3000mSC |
| V. Drummy | m | 1988-03-05 | 1989-03-04 | 2 | TCE | XC |
| Lee Duddy | m | 2022-11-11 | 2022-11-11 | 1 | DCU | Road |
| Edward Dudgeon | m | 2015-05-31 | 2015-05-31 | 1 | SUCA | 1500m |
| Gavin Dudziak | m | 2003-06-10 | 2003-06-10 | 1 | NI U23 | JT |
| Derek Duff | m | 2006-12-02 | 2006-12-03 | 2 | CIT | 60m |
| Aidan Duffield | m | 2023-03-04 | 2023-03-04 | 1 | UG | XC |
| Andrew Duffin | m | 1996-11-23 | 1998-04-25 | 9 | TCD | 3000mSC, 800m, Road, XC |
| Conor Duffy | m | 2007-12-08 | 2010-04-24 | 6 | IT Carlow | 100m, 200m, 60m, LJ |
| Craig Duffy | m | 2022-01-29 | 2023-04-22 | 16 | MU | 100m, 200m, 4x100m, 4x200m, 60m, HJ, LJ |
| Jarleth Duffy | m | 1995-02-10 | 1996-04-20 | 7 | UL | 110mH, 4x200m, 60m, 60mH, CE |
| Martin Duffy | m | 2006-11-18 | 2006-11-18 | 1 | QUB | Road |
| Paddy Duffy | m | 1975-05-02 | 1975-05-21 | 2 | UCD | 400m |
| Padraigh Duffy | m | 2000-12-01 | 2001-04-21 | 6 | IT Carlow | 200m, 60m |
| Pat Duffy | m | 1977-03-12 | 1979-05-05 | 3 | NCPE, TCE | 5000m, XC |
| Paul Duffy | m | 1975-05-21 | 1978-05-17 | 13 | BLE Select, UCD | 100m, 200m, 400m, 4x100m |
| David Dugan | m | 1992-04-24 | 1992-04-25 | 1 | TCD | 10000m |
| Conor Duggan | m | 2016-02-12 | 2019-04-06 | 21 | UCD | 100m, 200m, 4x100m, 4x200m, 4x400m, 60m |
| Gregory "Greg" Duggan | m | 1978-05-05 | 1981-05-13 | 8 | UCD | 100m, 4x100m |
| J. Duggan | m | 1958-05-18 | 1958-05-18 | 1 | NACA | SP |
| Joseph Duggan | m | 1938-05-26 | 1939-05-27 | 8 | UCG | 120yH, DT, HJ, SP |
| Kevin Duggan | m | 2005-12-10 | 2009-04-25 | 21 | DCU, UG | 100m, 200m, 4x100m, 4x200m, 4x400m, 60m |
| Niall Duggan | m | 1999-04-23 | 1999-04-24 | 1 | TCD | 35lbWfD |
| P.J. Duggan | m | 1993-04-23 | 1993-04-24 | 1 | UL | 35lbWfD |
| Padraig Duggan | m | 2000-12-01 | 2001-04-21 | 3 | CIT | 1500m, 800m |
| Ronan Duggan | m | 2008-11-15 | 2011-03-12 | 14 | DCU | 1500m, 2000mW, 4x200m, 4x400m, 800m, Road, XC |
| Ryan Duggan | m | 2022-01-29 | 2022-04-09 | 5 | CIT | 35lbWfD, DT, SP |
| Ryan Duggan | m | 2023-01-28 | 2023-04-22 | 5 | GST, MTU | 35lbWfD, DT, SP |
| Matt Dumigan | m | 2008-03-28 | 2008-03-28 | 1 | Welsh Universities | XC |
| Thomas B.O'C Dunbar | m | 1912-06-03 | 1914-06-06 | 5 | TCD | 100y, 220y, 440y |
| Conor Duncan | m | 2015-04-10 | 2019-11-16 | 15 | DCU | 1500m, 3000mSC, 4x400m, 800m, Road |
| Jon Duncan | m | 1998-03-14 | 1998-03-14 | 1 | SU | XC |
| M. Duncan | m | 1988-04-29 | 1988-04-30 | 1 | TCD | 10000m |
| Niall Duncan | m | 2000-11-12 | 2001-04-07 | 4 | UCC | 3000m, Road, XC |
| Alan Dunford | m | 2004-04-16 | 2004-04-17 | 1 | GST | 100m |
| Ethan Dunican | m | 2019-11-16 | 2021-11-13 | 3 | AIT | 800m, Road |
| Emmet Dunleavy | m | 2001-04-20 | 2005-04-23 | 4 | UG | 3000m, 3000mSC, 5000m |
| Emmett Dunleavy | m | 2000-12-01 | 2004-11-20 | 11 | UG | 1500m, 3000m, 3000mSC, Road, XC |
| Keith Dunlop | m | 2000-06-20 | 2003-06-10 | 3 | SU | 1500m, 400m, 800m |
| Stephen Dunlop | m | 2015-05-31 | 2015-05-31 | 2 | SUCA | 100m, 4x100m |
| Joshua Dunn | m | 2018-11-17 | 2019-03-02 | 2 | TCD | Road, XC |
| Richard Dunn | m | 1993-06-22 | 1993-06-22 | 2 | NI U20 | 100m, 110mH |
| A. Dunne | m | 1973-05-11 | 1973-05-12 | 3 | UCD | 400mH, LJ, TJ |
| Anthony "Tony" Dunne | m | 1978-05-05 | 1981-05-13 | 15 | UCD | 100m, 4x100m, HJ, LJ, TJ |
| B. Dunne | m | 1964-05-30 | 1965-06-23 | 2 | AAUE | 3 Miles |
| Brian Dunne | m | 2004-02-06 | 2006-12-03 | 7 | WIT | 800m, Road |
| Brian Dunne | m | 1980-05-14 | 1988-04-30 | 18 | UCD | 100m, 200m, 400m, 400mH, 4x100m, 4x400m, XC |
| Caimin Dunne | m | 2013-04-12 | 2013-06-01 | 4 | IUAA, UCD | DT, HT, JT |
| Cathal Dunne | m | 2023-04-21 | 2023-04-22 | 1 | DCU | HT |
| Cillian Dunne | m | 2023-11-10 | 2024-02-10 | 2 | SETU | 800m, Road |
| Colin Dunne | m | 1996-02-17 | 1996-02-17 | 1 | TCD | XC |
| Colm Dunne | m | 2001-06-19 | 2001-06-19 | 1 | IUAA | 4x400m |
| Colm Dunne | m | 1996-02-09 | 1996-04-20 | 9 | QUB | 100m, 200m, 4x200m, 60m |
| Darren Dunne | m | 2015-11-14 | 2019-04-06 | 5 | UL | 3000m, 5000m, Road |
| Eoin Dunne | m | 2008-11-15 | 2009-03-07 | 2 | DCU | Road, XC |
| Garrett Dunne | m | 2010-04-23 | 2014-04-12 | 46 | IUAA, TCD | 100m, 110mH, 3000mSC, 35lbWfD, 400m, 400mH, 4x100m, 4x200m, 4x400m, CE, HJ, LJ, Road, SP, XC |
| Gerard Dunne | m | 2024-03-09 | 2024-04-06 | 3 | UG | 5000m, XC |
| Gerry Dunne | m | 1987-03-07 | 1987-05-09 | 2 | ILSI | 800m, XC |
| Gerry Dunne | m | 1984-05-04 | 1984-05-05 | 1 | UCD | 1500m |
| J. Dunne | m | 1975-05-21 | 1975-05-21 | 1 | TCD | JTo |
| Kevin Dunne | m | 1991-05-03 | 1991-05-04 | 1 | UCD | 400m |
| Liam Dunne | m | 2002-03-09 | 2005-02-26 | 3 | DIT | Road, XC |
| M.I. Dunne | m | 1933-05-27 | 1938-05-26 | 7 | UCD | 880y, Mile |
| Neil Dunne | m | 2009-02-14 | 2010-04-24 | 13 | UCD | 200m, 4x100m, 4x200m |
| P. Dunne | m | 1966-03-28 | 1966-05-18 | 5 | IUAA, UCD | 100y, 220y, 4x110y |
| Patrick Dunne | m | 2018-05-26 | 2018-05-26 | 1 | GST | JT |
| Paul Dunne | m | 1976-03-06 | 1980-03-01 | 5 | TCD | XC |
| Paul Anthony Dunne | m | 1978-05-05 | 1980-05-14 | 7 | TCD | 1500m, 5000m |
| Peter Dunne | m | 2022-04-08 | 2022-04-09 | 1 | UCD | PV |
| Robert Dunne | m | 2000-04-14 | 2000-04-15 | 2 | IT Tallaght | 100m |
| Scott Dunne | m | 2022-04-08 | 2024-04-06 | 12 | TUD | 400m, 4x100m, 4x400m, Mixed 4x400m |
| Trevor Dunne | m | 2002-12-06 | 2004-12-04 | 7 | IT Tallaght | 35lbWfD, DT, SP |
| Nicholas Dunphy | m | 2015-02-06 | 2019-02-08 | 8 | DCU | 2000mW, 3000mW |
| Andrew Dunwoody | m | 1994-06-28 | 2002-06-18 | 37 | IUAA, NI U20, NI U23, President's Select, QUB | 1500m, 3000m, 3000mSC, 4x200m, 4x400m, 5000m, Mile, Road, XC |
| David Dunwoody | m | 1989-05-05 | 1995-12-16 | 16 | GST, IUAA, QUB | 3000mSC, 35lbWfD, 5000m, XC |
| David Dunwoody | m | 2002-11-16 | 2002-11-16 | 1 | GST | Road |
| Malcolm Duquesney | m | 2018-02-09 | 2018-04-14 | 3 | TCD | 3000m, 800m |
| R. Durack | m | 1971-02-20 | 1974-05-04 | 3 | NUU | 3000mSC, XC |
| John Durcan | m | 2013-11-23 | 2016-11-19 | 8 | UCC | 1500m, 5000m, Road, XC |
| Reggie Durden | m | 1978-06-30 | 1978-06-30 | 1 | Cornell-Pennsylvania | 110mH |
| Eoin Durkan | m | 2017-03-04 | 2018-11-17 | 2 | DCU | Road, XC |
| Ian Durkan | m | 2010-02-13 | 2010-02-13 | 1 | AIT | 60m |
| Conor Durnin | m | 2016-02-12 | 2017-02-10 | 5 | DCU, IUAA | LJ, TJ |
| Jeremiah Duru | m | 2022-01-29 | 2024-04-06 | 12 | TCD | 100m, 200m, 4x100m, 4x200m, 60m |
| Daniel Dusek | m | 1995-06-17 | 1995-06-20 | 2 | H & Y | JT |
| Colm Dwane | m | 2016-11-19 | 2019-11-16 | 4 | CIT | 1500m, Road |
| Martin Dwane | m | 1953-07-15 | 1953-07-15 | 2 | UCC | 880y, Mile |
| Iain Dwyer | m | 2016-11-19 | 2016-11-19 | 1 | CIT | Road |
| John A Dwyer | m | 1978-06-30 | 1978-06-30 | 1 | Cornell-Pennsylvania | PV |
| Owen Dwyer | m | 2007-11-17 | 2010-03-13 | 2 | TCD | Road, XC |
| Euan Dyer | m | 2014-05-31 | 2015-05-31 | 5 | SUCA | 200m, 400m, 400mH, 4x400m |
| Michael Dyer | m | 2004-06-08 | 2007-04-14 | 3 | GST, NI U23 | 800m |
| Ailbhe D'arcy | f | 2005-12-10 | 2005-12-11 | 6 | UL | 200m, 4x200m, 60m |
| Grace D'Arcy | f | 2016-11-19 | 2016-11-19 | 1 | TCD | Road |
| Hannah D'Aughton | f | 2022-11-11 | 2022-11-11 | 1 | TUD | Road |
| V. Dale | f | 1974-05-03 | 1977-03-12 | 3 | QUB | 1500m, 800m, XC |
| Katie Daley | f | 2018-04-13 | 2018-04-14 | 1 | IT Carlow | 3000m |
| Mary Dallat | f | 2002-11-16 | 2010-03-13 | 20 | NI U23, President's Select, QUB | 1500m, 3000m, 4x100m, 4x400m, 800m, Road, XC |
| A. Dalton | f | 1989-05-05 | 1989-05-06 | 2 | TCE | DT, JT |
| Hannah-Lee Dalton | f | 2012-03-10 | 2012-03-10 | 1 | TCD | XC |
| Alison Daly | f | 2014-11-15 | 2014-11-15 | 1 | WIT | Road |
| Brenda Daly | f | 1996-02-09 | 1996-02-10 | 2 | GST | 400m, 800m |
| Bríd Daly | f | 1981-05-01 | 1981-05-02 | 1 | UCC | 1500m |
| Bridget Daly | f | 1981-03-07 | 1981-03-07 | 1 | UCC | XC |
| D. Daly | f | 1981-05-01 | 1981-05-02 | 1 | UCC | 3000m |
| Eleanoir Daly | f | 2015-03-07 | 2016-03-05 | 4 | WIT | 3000m, Road, XC |
| Emer Daly | f | 1998-02-28 | 1998-02-28 | 1 | DCU | XC |
| Emma Daly | f | 2013-02-01 | 2017-04-08 | 20 | DCU, IUAA | 16lbWfD, 20lbWfD, DT, HT, JT, SP |
| Jenny Daly | f | 1999-11-13 | 2000-02-26 | 5 | TCD | 3000m, 800m, Road, XC |
| Katy Daly | f | 2020-02-15 | 2020-02-15 | 1 | IT Carlow | 200m |
| Maeve Daly | f | 2023-11-10 | 2023-11-10 | 1 | UCC | Road |
| Miriam Daly | f | 2022-01-29 | 2024-04-06 | 16 | UL | 1500mW, 400m, 4x200m, 4x400m |
| Monica Daly | f | 1996-02-09 | 1996-02-10 | 1 | GST | 1500m |
| Norah Daly | f | 1994-01-21 | 2005-06-07 | 19 | IUAA, SPM, TCD | 1500m, 20lbWfD, 3000m, 5000m, HT, Road, XC |
| Shauna Daly | f | 2011-02-05 | 2014-04-12 | 10 | DCU | 20lbWfD, DT, SP |
| Sheila Daly | f | 1981-03-07 | 1983-03-12 | 4 | TCE | 3000m, XC |
| Sorcha Daly | f | 2010-11-13 | 2010-11-13 | 1 | UCD | Road |
| Suzanne Daly | f | 2008-04-18 | 2008-04-19 | 1 | UCD | 1500mW |
| Emma Daniel | f | 1999-04-23 | 2003-06-10 | 21 | IUAA, UL | 20lbWfD, DT, HT, JT, SP |
| Gladys Daniel | f | 1999-11-13 | 1999-11-13 | 1 | TCD | Road |
| Rosemary Daniel | f | 2000-12-01 | 2009-04-25 | 67 | IUAA, UL | 100mH, 20lbWfD, 4x200m, 60mH, CE, DT, HJ, HT, JT, LJ, Road, SP, TJ |
| Victoria Daniel | f | 2018-02-09 | 2019-04-06 | 4 | MU | 100m, 200m, 60m |
| Caoimhe Daniels | f | 2009-04-24 | 2009-11-14 | 2 | UL | 1500mW, Road |
| Aoife Darby | f | 2020-03-07 | 2020-03-07 | 1 | DCU | XC |
| Emma Darby | f | 2020-02-15 | 2020-02-15 | 1 | AIT | 60m |
| Enna Darcy | f | 2007-11-17 | 2008-03-08 | 2 | CIT | Road, XC |
| Enna Darcy | f | 2007-11-17 | 2007-11-17 | 1 | CIT | Road |
| A. Darrling | f | 1986-03-08 | 1986-03-08 | 1 | QUB | XC |
| Grainne Dart O'Flynn | f | 2023-01-28 | 2023-01-28 | 1 | UL | 1500mW |
| Aj Dasciano | f | 2016-02-12 | 2016-04-16 | 2 | UCD | LJ |
| Lucilla Rosemary Daunt | f | 1967-05-05 | 1967-06-01 | 5 | TCD | DT, HJ, JTo, SP |
| Alison Davidson | f | 2013-11-23 | 2014-02-22 | 2 | UCD | Road, XC |
| J. Davidson | f | 1972-05-05 | 1973-05-12 | 4 | NUU | 100m, 100mH |
| Sian Davies | f | 2009-03-28 | 2009-03-28 | 1 | Wales | XC |
| Amy Davis | f | 2001-06-19 | 2010-04-24 | 23 | NI U23, UU | 20lbWfD, 4x100m, 4x200m, DT, HT, JT, SP |
| Jacqueline Davis | f | 2019-11-16 | 2019-11-16 | 1 | UCD | Road |
| Julie Davis | f | 1997-06-24 | 1997-06-24 | 2 | NI U23 | 100mH, 400mH |
| Wendy Davis | f | 1996-06-25 | 1999-06-22 | 6 | IUAA, NI U23, UU | 1500m, 400m, 4x400m, 800m |
| Wendy Davis | f | 2007-02-24 | 2007-04-14 | 6 | President's Select, UU | 1500m, 4x400m, 800m, XC |
| Freda Davoren | f | 1993-11-27 | 1996-04-20 | 22 | IUAA, UCC | 1500m, 1500mW, 400m, 4x200m, 800m, Road, XC |
| Shannen Dawkins | f | 2016-02-12 | 2018-05-26 | 6 | Ireland, UCC | 400m, 400mH, 4x400m, 60mH |
| Hazel Dawson | f | 2005-02-26 | 2005-02-26 | 1 | QUB | XC |
| Lauren Day | f | 2003-06-10 | 2003-06-10 | 1 | NI U23 | SP |
| S. Day | f | 1982-04-30 | 1982-05-01 | 1 | TCE | 3000m |
| Celime De Clippele | f | 2014-02-22 | 2014-02-22 | 1 | UCD | XC |
| Niamh De Hóra | f | 2015-11-14 | 2016-11-19 | 3 | UL | 1500m, Road |
| Niamh de Hora | f | 2017-02-10 | 2017-04-08 | 3 | UL | 1500m, XC |
| Eilidh de Klerk | f | 2017-05-27 | 2017-05-27 | 3 | SUCA | 200m, 4x100m, 4x400m |
| Alessandra Amber de Leo | f | 2019-02-08 | 2020-02-15 | 6 | IT Tralee | 100m, 200m, 20lbWfD, 60m |
| Natasha de Nuíbhíoll | f | 2017-04-07 | 2017-04-08 | 1 | MU | 200m |
| Natasha de Nuíbhíoll | f | 2018-04-13 | 2020-02-15 | 6 | MU | 100m, 200m, Road |
| Caitriona De Paor | f | 2004-12-03 | 2005-04-23 | 6 | UCC | 4x100m, 4x200m, LJ, TJ |
| Caroline Deasy | f | 1994-01-21 | 1999-04-24 | 52 | IUAA, UCD | 100m, 100mH, 200m, 4x100m, 4x200m, 4x400m, 60m, 60mH, CE, HJ, JT, LJ, PV, SP, TJ |
| Siobhan DeBurca | f | 1973-03-10 | 1977-05-07 | 11 | UCG | 1500m, 3000m, XC |
| Emma Decker | f | 2023-01-28 | 2023-01-28 | 1 | QUB | 800m |
| Avril Deegan | f | 2017-11-18 | 2023-04-22 | 12 | DCU, Ireland | 1500m, 3000m, Road, XC |
| Lucy Deegan | f | 2021-09-26 | 2022-11-11 | 5 | TCD | 5000m, Road, XC |
| Nadine Deehan | f | 2023-04-21 | 2024-02-10 | 6 | TCD | 100m, 4x100m, 60m, LJ, SP |
| Ciara Deely | f | 2021-11-13 | 2022-04-09 | 5 | DCU | 400m, 400mH, 4x400m, Road |
| Fiona Deering | f | 1993-12-04 | 1994-02-19 | 2 | TCD | XC |
| Mairead Deevy | f | 2008-04-18 | 2008-04-19 | 6 | UCD | 200m, 400m, 4x100m, 4x400m |
| Maelle Defever | f | 2023-11-10 | 2024-02-10 | 2 | TCD | 1500mW, Road |
| Clemence Defrasne | f | 2024-02-10 | 2024-02-10 | 1 | TUS | 1500mW |
| Julia DeGroff | f | 2000-02-26 | 2000-02-26 | 1 | TCD | XC |
| Eva Delahunt | f | 2022-01-29 | 2024-04-06 | 4 | DCU | 1500mW |
| Orlaith Delahunt | f | 2017-02-10 | 2020-02-15 | 5 | DCU | 1500mW |
| Cloda Delahunty | f | 2010-11-13 | 2011-11-12 | 3 | UCC | Road, XC |
| Kim Delaney | f | 2009-04-24 | 2010-04-24 | 3 | IT Carlow | 800m |
| Lorraine Delaney | f | 2020-02-15 | 2020-02-15 | 1 | UG | LJ |
| Roisin Delaney | f | 2000-04-14 | 2000-04-15 | 1 | TCD | 3000m |
| Sinead Delaney | f | 1996-02-09 | 2000-06-20 | 25 | IUAA, UCD | 100m, 1500mW, 4x200m, DT, HT, JT, SP |
| Sinead Delany | f | 1998-06-23 | 1998-06-23 | 3 | IUAA | DT, HT, SP |
| Sineád Delany | f | 1996-04-19 | 1999-12-04 | 5 | UCD | 100mH, 4x200m, SP |
| Aoife Delargy | f | 2016-11-19 | 2022-04-09 | 24 | Ireland, UCC | 4x100m, 4x400m, 800m, Road, XC |
| Emer Delargy | f | 2021-11-13 | 2022-04-09 | 2 | CIT | 4x400m, Road |
| Emer Delargy | f | 2023-04-21 | 2024-03-09 | 3 | MTU | 3000m, Road, XC |
| Anouk Delimata | f | 1997-12-12 | 1997-12-13 | 1 | UL | SP |
| Anouk Delimaton | f | 1996-12-13 | 1996-12-14 | 1 | UL | SP |
| Lisa Deloney | f | 2009-11-14 | 2009-11-14 | 1 | CIT | Road |
| Aoife Dempsey | f | 2024-03-09 | 2024-04-06 | 2 | TCD | 1500m, XC |
| Doreen Dempsey | f | 1995-03-04 | 1995-12-16 | 2 | UCD | XC |
| Erin Dempsey | f | 2024-04-05 | 2024-04-06 | 2 | MU | 4x100m, JT |
| Judith Helena Dempsey | f | 1974-05-03 | 1977-05-17 | 12 | TCD | 100m, 100mH, 200m, 4x100m, HJ |
| Caroline Denby | f | 1999-06-22 | 1999-06-22 | 1 | GST | 800m |
| Brigid Dennehy | f | 2012-11-17 | 2013-04-13 | 5 | UCC | 1500m, 4x400m, Road, XC |
| Fiona Dennehy | f | 2013-02-01 | 2013-02-01 | 1 | UCD | 1500mW |
| Helen Dennehy | f | 2002-11-16 | 2002-11-16 | 1 | UCC | Road |
| Elaine Dennerey | f | 1996-02-09 | 1996-02-10 | 1 | Cork RTC | 200m |
| Charlotte Dennison | f | 2020-03-07 | 2020-03-07 | 1 | UL | XC |
| Niamh Denny | f | 2010-11-13 | 2012-11-17 | 9 | DIT, GST | 1500m, 3000m, Road, XC |
| Sinead Denny | f | 2009-11-14 | 2014-04-12 | 29 | DIT, DSD | 200m, 400m, 4x400m, 800m, Road, XC |
| Lauren Dermody | f | 2017-11-18 | 2020-03-07 | 5 | UL | 3000mSC, Road, XC |
| Faye Dervan | f | 2023-11-10 | 2024-02-10 | 3 | DCU | 3000m, Road |
| Maeve Dervin | f | 2019-11-16 | 2019-11-16 | 1 | UG | Road |
| C. Desmond | f | 1981-03-07 | 1981-03-07 | 1 | TCD | XC |
| C. Desmond | f | 1989-03-04 | 1989-03-04 | 1 | UCC | XC |
| Eithne DeValera | f | 1968-03-02 | 1971-05-22 | 13 | IUAA, UCD | 1500m, 440y, 4x110y, 800m, 880y, XC |
| Ciara Devani | f | 1997-12-12 | 1997-12-13 | 2 | IT Tralee | 200m, 60m |
| M. Devine | f | 1995-02-10 | 1995-02-10 | 1 | Sligo RTC | 400m |
| L. Devlin | f | 1979-03-17 | 1979-03-17 | 1 | NUU | XC |
| Mary Devlin | f | 1997-06-24 | 2002-06-18 | 26 | IUAA, NI U23, UU | 100m, 4x100m, LJ, TJ |
| Niamh Devlin | f | 2003-11-22 | 2008-03-08 | 17 | DCU, President's Select | 1500m, 3000m, 5000m, Road, XC |
| Caroline Dewey | f | 1999-06-22 | 1999-06-22 | 1 | SU | SP |
| Jane Dickson | f | 2007-04-13 | 2007-04-14 | 2 | DCU | DT, HT |
| Avril Dillon | f | 1998-12-11 | 2002-06-18 | 37 | GST, IUAA, UCD | 100mH, 4x100m, 4x200m, 60m, 60mH, HJ, LJ, PV, TJ |
| C. Dillon | f | 1995-03-11 | 1995-03-11 | 1 | Loughborough | 400m |
| Ciara Dillon | f | 1999-03-06 | 2003-03-09 | 10 | UL | 1500m, 800m, XC |
| Joan Dillon | f | 2002-11-16 | 2005-02-26 | 6 | TCD | Road, XC |
| Kerry Dillon | f | 1995-02-10 | 1995-06-20 | 5 | IUAA, Waterford RTC | 100m, 400m |
| Niamh Dillon | f | 2002-11-16 | 2005-02-26 | 7 | TCD | 1500mW, 5000m, Road, XC |
| Teresa Dillon | f | 1994-02-19 | 1994-02-19 | 1 | UCG | XC |
| Aoife Dineen | f | 2012-11-17 | 2012-11-17 | 1 | UCD | Road |
| T. Dineen | f | 1977-03-12 | 1977-03-12 | 1 | NCPE | XC |
| Solange Diogo | f | 2017-02-10 | 2020-02-15 | 10 | Ireland, IT Tralee | 200m, LJ, TJ |
| Solange Diogo | f | 2022-01-29 | 2022-01-29 | 1 | IT Tralee | TJ |
| Tanisha Dions | f | 2022-01-29 | 2022-01-29 | 3 | DKIT | 200m, 60m, LJ |
| Mary Dirrane | f | 1999-11-13 | 1999-11-13 | 1 | UG | Road |
| Ellen Diskin | f | 2005-11-19 | 2007-11-17 | 12 | DCU, IUAA | 1500m, 1500mW, 3000mSC, 400mH, 800m, Road, XC |
| Emer Diskin | f | 1969-05-03 | 1972-05-10 | 23 | TCD, UCD | 100m, 100mH, 100y, 100yH, 200m, 220y, 4x100m, HJ, JTo, XC |
| Emer Diskin | f | 1974-05-03 | 1974-05-04 | 2 | UCG | 800m, HJ |
| Karen Diskin | f | 1991-03-02 | 1991-03-02 | 1 | UCC | XC |
| M. Diskin | f | 1977-05-06 | 1977-05-07 | 1 | UCG | HJ |
| Dawn Diver | f | 2001-12-07 | 2001-12-08 | 3 | TCD | 4x200m, 60m |
| Ann Diviney | f | 1973-03-10 | 1974-03-09 | 2 | UCG | XC |
| Hester Dix | f | 2008-03-28 | 2008-03-28 | 1 | SU | XC |
| Jane Dixon | f | 2005-04-22 | 2005-04-23 | 3 | DCU | 20lbWfD, DT, HT |
| Julie Dobbin | f | 2013-06-01 | 2013-06-01 | 2 | SU | 4x400m, 800m |
| Julie Dobbin | f | 2016-05-28 | 2016-05-28 | 1 | GST | 200m |
| Julie Dobbin | f | 2016-05-28 | 2017-05-27 | 5 | SUCA | 200m, 4x400m, 800m |
| Caroline Dobbyn | f | 2006-02-18 | 2006-03-04 | 2 | TCD | XC |
| Roisin Dobey | f | 2016-02-12 | 2016-02-12 | 2 | UL | 200m, 4x200m |
| H. Dobson | f | 1968-05-11 | 1969-05-03 | 7 | QUB | DT, HJ, JTo, SP |
| N. Dobson | f | 1968-05-11 | 1968-05-11 | 1 | QUB | 80mH |
| Alison Docherty | f | 2009-03-28 | 2009-03-28 | 1 | Scotland | XC |
| Therasa Docherty | f | 1999-04-23 | 1999-04-24 | 1 | UU | 4x400m |
| Shauna Doellken | f | 2022-04-08 | 2022-04-09 | 1 | UL | 5000m |
| Shauna Doellken | f | 2023-03-04 | 2023-03-04 | 1 | UL | XC |
| Aimee Doherty | f | 2023-01-28 | 2024-04-06 | 10 | DCU | 400m, 4x200m, 4x400m, 800m, Mixed 4x400m |
| C. Doherty | f | 1983-03-12 | 1983-03-12 | 1 | SPM | XC |
| Gillian Doherty | f | 1991-03-02 | 1991-03-02 | 1 | UU | XC |
| Kate Doherty | f | 2016-02-12 | 2020-02-15 | 44 | GST, Ireland, IUAA, TCD | 100mH, 200m, 4x100m, 4x200m, 4x400m, 60m, 60mH, CE, HJ, LJ, SP |
| Kate Doherty | f | 2022-01-29 | 2022-01-29 | 6 | TCD | 4x200m, 60m, 60mH |
| Katie Doherty | f | 2000-12-01 | 2000-12-02 | 2 | QUB | 1500mW, 800m |
| Mairead Doherty | f | 2004-12-03 | 2007-02-24 | 13 | UCD | 400m, 4x200m, 4x400m, 800m, LJ, TJ, XC |
| Mary Doherty | f | 2017-11-18 | 2017-11-18 | 1 | DCU | Road |
| Michelle Doherty | f | 2000-06-20 | 2002-06-18 | 5 | NI U23 | HJ, LJ, TJ |
| Siobhan Doherty | f | 2006-11-18 | 2007-04-14 | 5 | UL | 3000m, 5000m, Road, XC |
| Siobhán Doherty | f | 2022-04-08 | 2023-04-22 | 3 | DCU | 1500mW |
| Theresa Doherty | f | 1995-12-16 | 1996-04-20 | 5 | UU | 400m, 800m, XC |
| Theresa Doherty | f | 1998-12-11 | 1998-12-12 | 4 | UU | 200m, 400m |
| Aisling Dolan | f | 1999-12-03 | 1999-12-04 | 2 | WIT | 1500mW, 4x200m |
| Laura Dolan | f | 2015-02-06 | 2019-05-25 | 18 | AIT, Ireland, IUAA | 16lbWfD, 20lbWfD, HT, JT, SP |
| Laura Dolan | f | 2018-02-09 | 2018-04-14 | 5 | AIT | 20lbWfD, HT, JT, SP |
| Laura Dolan | f | 2019-04-05 | 2019-04-06 | 3 | AIT | 20lbWfD, HT, JT |
| Lisa Dolan | f | 2010-02-13 | 2010-04-24 | 5 | DCU | 20lbWfD, DT, HT, SP |
| Regina Dolan | f | 2013-02-01 | 2016-03-05 | 7 | AIT | 3000mSC, 4x100m, 4x200m, 4x400m, 5000m, Road, XC |
| J. Dole | f | 1970-03-14 | 1970-03-14 | 1 | UCD | XC |
| Aoife Donaghy | f | 2017-11-18 | 2022-11-11 | 3 | DCU | Road |
| Cliodhna Donaghy | f | 2022-11-11 | 2022-11-11 | 1 | TCD | Road |
| Maggie Donahue | f | 2008-03-08 | 2008-03-08 | 1 | UCC | XC |
| Catriona Donald | f | 1996-06-25 | 1997-06-24 | 2 | SU | JTo |
| Elaine Donald | f | 1993-06-22 | 1996-06-25 | 11 | SU | 100mH, 400m, 400mH, LJ, SP |
| Danielle Donegan | f | 2019-11-16 | 2023-01-28 | 6 | UCD | 3000m, Road, XC |
| Danielle Donegan | f | 2023-11-10 | 2023-11-10 | 1 | UCD | Road |
| Nadine Donegan | f | 2017-02-10 | 2017-04-08 | 4 | AIT | 1500m, 3000m, XC |
| Nadine Donegan | f | 2018-02-09 | 2018-02-09 | 1 | AIT | 1500m |
| Nadine Donegan | f | 2019-02-08 | 2020-03-07 | 4 | AIT | 1500m, 3000m, 5000m, XC |
| Emma Donlon | f | 2017-03-04 | 2019-03-02 | 4 | UCC | 3000m, XC |
| M. Donlon | f | 1980-05-02 | 1980-05-03 | 1 | UCG | 400m |
| Aoife Donnan | f | 2012-04-20 | 2013-04-13 | 2 | NUIM | 1500m, 5000m |
| F. Donnan | f | 1975-05-02 | 1975-05-03 | 3 | QUB | 100mH, 200mH, HJ |
| Fiona Donnellan | f | 2004-04-16 | 2004-04-17 | 1 | DCU | 400mH |
| Tara Donnellon | f | 2007-12-08 | 2008-04-19 | 9 | UL | 100m, 200m, 400m, 4x400m, 60m |
| Aedin Donnelly | f | 2014-11-15 | 2014-11-15 | 1 | TCD | Road |
| Alison Donnelly | f | 2015-11-14 | 2015-11-14 | 1 | AIT | Road |
| Alison Donnelly | f | 2018-11-17 | 2018-11-17 | 1 | UCC | Road |
| Alison Donnelly | f | 2019-03-02 | 2019-11-16 | 2 | UCC | Road, XC |
| Carrie Donnelly | f | 1994-06-28 | 1999-06-22 | 5 | NI U20, NI U23 | HJ, TJ |
| Donna Donnelly | f | 2004-04-16 | 2004-04-17 | 4 | QUB | 100m, 200m, 4x100m, TJ |
| Emma Donnelly | f | 2002-04-19 | 2003-04-26 | 7 | GST, QUB | 20lbWfD, 4x400m, HJ, JT, Road, SP |
| L. Donnelly | f | 1996-04-19 | 1996-04-20 | 1 | QUB | SP |
| Niamh Donnelly | f | 2014-11-15 | 2015-11-14 | 7 | UL | 1500m, 4x400m, 800m, Road, XC |
| Niamh Donnelly | f | 2010-02-13 | 2015-05-31 | 18 | IUAA, TCD | 1500m, 4x200m, 4x400m, 800m, Road, XC |
| Rachel Donnison | f | 2018-05-26 | 2018-05-26 | 1 | GST | 400m |
| Orna Donoghue | f | 1998-12-11 | 2007-04-14 | 137 | IUAA, UL | 100m, 100mH, 20lbWfD, 400mH, 4x100m, 4x200m, 4x400m, 60m, 60mH, CE, DT, HJ, HT, JT, LJ, PV, SP |
| Ann Marie Donovan | f | 1994-01-21 | 1994-01-21 | 1 | UCD | 60mH |
| Robyn Donovan | f | 2020-02-15 | 2022-04-09 | 7 | AIT | 4x200m, 60m, LJ, TJ |
| Suzanne Donovan | f | 2007-11-17 | 2009-11-14 | 6 | DCU | 3000m, Road, XC |
| Sophie Donus | f | 2014-02-07 | 2015-04-11 | 5 | IT Carlow | 4x100m, 4x200m, JT |
| Emma Doody | f | 2022-03-05 | 2023-03-04 | 5 | TUD | 3000m, 5000m, Road, XC |
| Emma Dooney | f | 2017-11-18 | 2018-03-10 | 2 | TCD | Road, XC |
| Chloe Doran | f | 2012-11-17 | 2014-02-07 | 2 | RCSI | 1500m, Road |
| Pauline Dorrin | f | 1989-03-04 | 1989-03-04 | 1 | TCE | XC |
| Lesley Ann Doughan | f | 2010-04-23 | 2010-04-24 | 3 | DIT | 1500m, 4x400m, 800m |
| Claire Dougherty | f | 2015-02-06 | 2017-05-27 | 4 | IUAA, QUB | LJ, TJ |
| Claire Dougherty | f | 2017-02-10 | 2017-04-08 | 5 | QUB | CE, HJ, LJ, SP |
| Stacey Dougherty | f | 2003-06-10 | 2004-06-08 | 2 | NI U23 | LJ, TJ |
| Allison Douglas | f | 1995-06-20 | 1997-06-24 | 3 | SU | JTo |
| Sarah Douglas | f | 2015-05-31 | 2015-05-31 | 2 | SUCA | 3000m, 3000mSC |
| Susan Mary Douglas | f | 1993-06-22 | 1997-06-24 | 4 | NI U20, NI U23 | 100m, 200m |
| Daphni Doulaptsi Teeuwen | f | 2023-11-28 | 2023-11-28 | 1 | DCU | LJ |
| Daphni Doulaptsi-Teeuwen | f | 2024-02-10 | 2024-04-06 | 4 | DCU | LJ, TJ |
| Emma Dowd | f | 2017-02-10 | 2017-02-10 | 2 | ITB | 1500m, 1500mW |
| Donna Dowler | f | 1995-06-17 | 1995-06-17 | 1 | Dublin | 1500m |
| Lisa Dowling | f | 1999-11-13 | 1999-11-13 | 1 | DIT | Road |
| Sinead Dowling | f | 2010-02-13 | 2011-04-30 | 9 | UCD | 100m, 4x100m, 4x200m, 60m |
| A. Downes | f | 1983-03-12 | 1983-03-12 | 1 | TCE | XC |
| Amy Downes | f | 2015-03-07 | 2015-03-07 | 1 | UL | XC |
| Margaret F.P. Downes | f | 1984-05-04 | 1984-05-05 | 1 | TCD | 100mH |
| Sophia Downey | f | 2018-11-17 | 2018-11-17 | 1 | RCSI | Road |
| Stacey Downie | f | 2013-06-01 | 2014-05-31 | 8 | SU, SUCA | 100m, 200m, 4x100m, 4x400m |
| A. Doyle | f | 1980-03-01 | 1981-03-07 | 2 | SPM | XC |
| Anne Doyle | f | 2005-12-10 | 2007-04-14 | 6 | IT Carlow | 400m, 800m |
| Anne Doyle | f | 2011-11-12 | 2012-04-21 | 7 | UU | 400m, 800m, Road, SP, XC |
| Aoife Doyle | f | 2014-11-15 | 2014-11-15 | 1 | UL | Road |
| Catherine Doyle | f | 2019-11-16 | 2021-11-13 | 2 | UCD | Road |
| Catherine Doyle | f | 2023-04-21 | 2023-04-22 | 1 | UU | 1500m |
| Cora Doyle | f | 2014-02-07 | 2015-03-07 | 4 | WIT | 800m, Road, XC |
| Deirdre Doyle | f | 2010-11-13 | 2015-02-06 | 17 | DCU | 1500m, 3000m, 4x400m, 800m, Road, XC |
| Dierdre Doyle | f | 2011-11-12 | 2012-04-21 | 3 | DCU | 3000m, Road, XC |
| Gail Doyle | f | 1998-12-11 | 2000-12-02 | 25 | UCD | 100mH, 400m, 400mH, 4x200m, 4x400m, 60m, 60mH, 800m, JT, PV, Road, SP |
| Isabelle Doyle | f | 2022-01-29 | 2024-04-06 | 12 | UCD | 100m, 200m, 4x100m, 4x200m, 4x400m, 60m |
| Jane Doyle | f | 1970-05-09 | 1972-05-10 | 14 | UCD | 100y, 1500m, 400m, 440y, 4x110y, 800m, 880y, XC |
| Lydia Doyle | f | 2019-02-08 | 2019-04-06 | 3 | UG | 100m, 60m |
| Mary Doyle | f | 1974-05-03 | 1977-05-07 | 15 | UCC | 100m, 200m, LJ, SP |
| Mary Doyle | f | 1977-05-06 | 1977-05-07 | 1 | UCD | 200m |
| Mary Ellen Doyle | f | 2012-11-17 | 2014-04-12 | 4 | DCU, IUAA | 3000mSC, Road |
| Michelle Doyle | f | 1998-02-28 | 2001-04-07 | 8 | DCU | 1500mW, 800m, JT, SP, XC |
| Niamh Doyle | f | 2016-11-19 | 2016-11-19 | 1 | UCC | Road |
| Orla Doyle | f | 2004-04-16 | 2004-04-17 | 6 | UL | 400mH, CE, HJ, LJ, SP, TJ |
| Sarah Doyle | f | 2008-04-18 | 2015-02-06 | 13 | DCU, GST, IUAA, UCD | 100mH, 200m, 400m, 4x100m, 4x200m, 4x400m, 60mH |
| Anastasia Drakoulaki | f | 2024-02-10 | 2024-04-06 | 5 | DKIT | 100m, 200m, 60m |
| Jessica Drohan | f | 2014-02-07 | 2016-03-05 | 8 | DCU, IUAA | 400mH, CE, HJ, LJ, Road, SP, XC |
| Aisling Drumgoole | f | 2013-02-01 | 2018-04-14 | 35 | GST, IUAA, UCD | 200m, 400m, 4x100m, 4x200m, 4x400m, SP |
| Orla Drumm | f | 2013-11-23 | 2014-03-08 | 2 | UCC | Road, XC |
| Orla Drumm | f | 2003-11-22 | 2008-03-08 | 21 | UCC | 1500m, 3000m, 4x100m, 4x400m, 800m, Road, XC |
| Bea Drummond | f | 2023-11-10 | 2024-03-09 | 2 | UCD | Road, XC |
| Beatrice Drummond | f | 2022-11-11 | 2023-03-04 | 2 | UCD | Road, XC |
| Agnes Drysdale | f | 1999-03-06 | 1999-04-24 | 4 | QUB | 400m, 4x400m, XC |
| Catriona Du Poeur | f | 2004-02-06 | 2004-06-08 | 15 | IUAA, UCC | 4x200m, 60m, CE, HJ, LJ, PV, SP, TJ |
| Ella Duane | f | 2022-01-29 | 2024-04-06 | 10 | UCD | 400m, 400mH, 4x100m, 4x200m, 4x400m, JT, SP |
| Inez Duane | f | 2024-04-05 | 2024-04-06 | 2 | TCD | 4x100m |
| Orlane Dubo | f | 2014-02-07 | 2014-04-12 | 7 | UG | 400mH, 60mH, CE, HJ, LJ, SP |
| Aleksandra Duda | f | 2018-11-17 | 2018-11-17 | 1 | TCD | Road |
| Renee Dudley | f | 2011-11-12 | 2011-11-12 | 1 | UU | Road |
| Jackie Duffin | f | 1992-03-07 | 1992-03-07 | 1 | NUIM | XC |
| A. Duffy | f | 1983-03-12 | 1983-03-12 | 1 | UCC | XC |
| Ann-Marie Duffy | f | 2013-03-09 | 2013-03-09 | 1 | TCD | XC |
| Caragh Duffy | f | 2024-03-09 | 2024-03-09 | 1 | QUB | XC |
| Fionnuala Duffy | f | 2003-02-15 | 2003-03-09 | 2 | UCD | XC |
| Kiera Duffy | f | 2006-03-04 | 2006-03-04 | 1 | UCD | XC |
| Mary Duffy | f | 2001-04-20 | 2003-04-26 | 4 | UG | 4x100m, LJ |
| Vera Duffy | f | 1977-06-14 | 1977-06-14 | 1 | BLE Select | 1500m |
| Aoibheann Duggan | f | 2021-11-13 | 2023-11-10 | 3 | UG | Road |
| Dolores Duggan | f | 1974-05-03 | 1976-05-01 | 10 | UCG | DT, HJ, JTo, LJ, SP |
| Kathleen Duggan | f | 2004-11-20 | 2005-02-26 | 2 | DCU | Road, XC |
| Katie Duggan | f | 2002-03-09 | 2004-04-17 | 8 | DCU, IUAA | 3000m, 4x400m, Road, XC |
| Michelle Duggan | f | 2023-04-21 | 2023-04-22 | 3 | UCD | 200m, 4x100m |
| Norita Duggan | f | 2000-04-14 | 2000-04-15 | 1 | CIT | SP |
| Mary Dullaghan | f | 1994-02-19 | 1995-12-16 | 4 | UL | 800m, XC |
| Mary Dullahane | f | 1996-02-09 | 1996-02-10 | 1 | UL | 800m |
| Karyn Dumigan | f | 2014-02-07 | 2015-05-31 | 4 | IUAA, QUB | LJ |
| Sive Duncan | f | 2019-03-02 | 2020-03-07 | 3 | TCD | Road, XC |
| Sive Duncan | f | 2023-03-04 | 2023-03-04 | 1 | UCD | XC |
| Mary Dungannon | f | 1994-01-21 | 1994-01-21 | 1 | UL | 800m |
| Ailish Dunne | f | 2012-04-20 | 2013-04-13 | 4 | GST | DT, SP |
| Cliodhna Dunne | f | 2003-03-09 | 2003-03-09 | 1 | NUIM | XC |
| Karen Dunne | f | 2002-04-19 | 2003-04-26 | 3 | UL | JT, TJ |
| Karen Dunne | f | 2012-02-04 | 2015-04-11 | 36 | DCU | 100mH, 400mH, CE, HJ, LJ, SP |
| Maeve Dunne | f | 2017-11-18 | 2017-11-18 | 1 | UG | Road |
| P. Dunne | f | 1983-05-06 | 1983-05-07 | 1 | TCE | 100m |
| P. Dunne | f | 1970-03-14 | 1970-05-09 | 2 | UCG | 1500m, XC |
| Rachel Dunne | f | 2018-02-09 | 2019-04-06 | 8 | TCD | 200m, 4x200m, 4x400m, LJ, TJ |
| Rachel Dunne | f | 2020-02-15 | 2020-02-15 | 3 | TCD | 4x200m, TJ |
| Roisin Dunne | f | 2015-11-14 | 2016-03-05 | 2 | AIT | Road, XC |
| Sarah Dunne | f | 2002-12-06 | 2002-12-07 | 3 | UCD | 4x200m, 60m, LJ |
| T. Dunne | f | 1983-05-06 | 1983-05-07 | 2 | TCE | 200m |
| Clara Dunnion | f | 2010-03-13 | 2010-03-13 | 1 | IT Tallaght | XC |
| Ashling Dunphy | f | 2010-02-13 | 2010-04-24 | 8 | UCD | 4x100m, 4x200m, LJ, TJ |
| G. Dunwoody | f | 1988-04-29 | 1989-05-06 | 4 | UU | 400m, 800m |
| L. Dunwoody | f | 1990-03-03 | 1990-03-03 | 1 | QUB | XC |
| Emma Durand | f | 2018-11-17 | 2019-11-16 | 2 | UCC | Road |
| Vanessa Durand | f | 1999-04-23 | 1999-04-24 | 4 | TCD | DT, HT, JT, SP |
| Michelle Durbidge | f | 2014-05-31 | 2014-05-31 | 2 | SAL Select | DT, SP |
| Ciara Durkan | f | 2006-03-04 | 2012-03-10 | 26 | DCU, IUAA | 12, 4, 8, 16, 1500m, 3000m, 4x400m, 800m, Road, XC |
| Karen Durkan | f | 1998-02-28 | 1998-04-25 | 2 | UCD | 3000m, XC |
| Orlaith Durkan | f | 2012-11-17 | 2012-11-17 | 1 | DCU | Road |
| Agnes Dysdale | f | 1999-04-23 | 1999-04-24 | 1 | QUB | 800m |