| - | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | 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 |
| 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 |
| Colin Dalton | m | 1995-12-16 | 1997-02-01 | 3 | DIT, Guest | 3000m, XC |
| Colm Dalton | m | 1994-01-21 | 1994-01-21 | 1 | Guest | 3000m |
| James Dalton | m | 2004-12-03 | 2004-12-04 | 1 | IT Carlow | 2000mW |
| Owen Dalton | m | 1953-07-15 | 1955-05-19 | 6 | UCD | 100y, 220y |
| Ger Daly | m | 1993-02-12 | 1995-04-22 | 6 | UCD | 60m, HJ, TJ |
| James Carroll Daly | m | 1873-05-19 | 1873-05-19 | 4 | UCC | HT, LJ, SP, SP* |
| John Daly | m | 2001-02-24 | 2001-02-24 | 1 | UCD | XC |
| Johnathan Daly | m | 1999-11-13 | 2001-04-07 | 3 | UCD | Road, XC |
| Jonathan Daly | m | 1999-12-03 | 2001-04-21 | 2 | UCD | 2000mW, 5000m |
| 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, 16kgWfD, 2000mW, 4x400m, 800m, JT, Road |
| 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 |
| Michael Dardis | m | 1994-02-19 | 1995-03-04 | 2 | UL | XC |
| Niall Dargan | m | 1993-03-06 | 1994-02-19 | 5 | UCD | 3000m, Road, XC |
| Neil Darroch | m | 1999-06-22 | 2000-06-20 | 2 | Guest, SU | 400m, 800m |
| Luis Darte | m | 1993-03-06 | 1993-03-06 | 1 | UU | XC |
| Barry Davey | m | 1995-12-16 | 1996-02-10 | 3 | UCG | 3000m, XC |
| Gareth Davidson | m | 1996-06-25 | 1996-06-25 | 1 | IUAA | 800m |
| Austin Davies | m | 2009-03-28 | 2009-03-28 | 1 | Wales | XC |
| H.R. Davies | m | 1930-06-07 | 1933-05-27 | 2 | TCD | 220y |
| Henry R. Davies | m | 1931-05-30 | 1931-05-30 | 4 | TCD | 100y, 220y |
| William Davies | m | 1873-05-19 | 1873-05-19 | 1 | UCG | LJ |
| Jamie Davis | m | 2009-02-14 | 2010-04-24 | 13 | UCD | 200m, 400m, 4x100m, 4x400m |
| 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 | Guest, NI U23 | 100m, 200m |
| Luke Davis | m | 1999-11-13 | 2003-11-22 | 21 | DCU, Dublin Colleges, Guest, 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 |
| S. Davis | m | 1970-05-09 | 1970-05-09 | 1 | UCD | JT* |
| D. Dawn | m | 1952-05-22 | 1952-05-22 | 1 | UCC | 3 Miles |
| Eric De Bruan | m | 1993-02-12 | 1993-02-12 | 1 | Guest | SP |
| O. de Bruijn | m | 1993-06-22 | 1993-06-22 | 2 | SU | 100m, 200m |
| Paulo De Gregario | m | 2003-04-25 | 2003-04-26 | 2 | UCD | 400m, 4x400m |
| Liam De Paor | m | 1992-04-24 | 1992-04-25 | 1 | UCD | 3000mW |
| Brian Deasy | m | 1998-02-28 | 1998-12-12 | 3 | CIT | PV, XC |
| Kieren Debaddi | m | 1999-12-03 | 1999-12-04 | 1 | QUB | LJ |
| C. DeBarra | m | 1964-05-09 | 1964-05-09 | 1 | UCC | 3 Miles |
| Kieran Debbadi | m | 1999-12-03 | 1999-12-04 | 3 | QUB | 200m, 60m, SP |
| Colm DeBurca | m | 1992-03-07 | 1992-03-07 | 1 | UCD | XC |
| G. Dee | m | 1976-04-30 | 1976-05-01 | 1 | TCD | 800m |
| Darren Deed | m | 2009-03-28 | 2009-03-28 | 1 | England | XC |
| Richard Deegan | m | 2008-03-08 | 2008-03-08 | 1 | Guest | XC |
| P. DeHora | m | 1982-04-30 | 1982-05-01 | 1 | UCG | 10000m |
| 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 |
| 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 | 18 | IUAA, UCD | 200m, 35lbWfD, 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 |
| M. Delaney | m | 1978-05-05 | 1981-05-02 | 5 | UCC, Unknown | 100m, 110mH |
| 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 | 1996-02-10 | 4 | UCC | 200m, 4x200m, 60m |
| B. Dempsey | m | 1960-05-14 | 1960-05-14 | 1 | UCG | 440y |
| M. Dempsey | m | 1933-05-27 | 1934-05-26 | 2 | UCD | 120yH |
| P. Dempsey | m | 1955-05-19 | 1955-05-19 | 1 | UCC | 220y |
| P.D. Dempsey | m | 1959-05-13 | 1959-05-13 | 2 | UCC | 220y, 440y |
| 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 |
| D. Dennehy | m | 1947-05-21 | 1948-05-22 | 2 | UCC | 120yH |
| M. Dennehy | m | 1982-04-30 | 1982-05-01 | 1 | TCD | PV |
| Niall Dennehy | m | 1999-11-13 | 2000-02-26 | 2 | NUIG | Road, XC |
| Finbar Desmond | m | 1995-12-16 | 1995-12-16 | 1 | UL | XC |
| Jeremy Desmond | m | 1995-03-04 | 1996-02-10 | 6 | UCC | 200m, 400m, 4x200m, XC |
| Xavier Despinoy | m | 1995-06-20 | 1995-06-20 | 2 | SU | HJ, PV |
| Brian Devasquale | m | 2001-12-07 | 2001-12-08 | 2 | UCC | 60mH, LJ |
| Chris Devenny | m | 2007-03-31 | 2007-03-31 | 1 | SU | XC |
| N.F. DeVere | m | 1936-05-30 | 1937-05-22 | 2 | TCD | 440y |
| Arthur Devine | m | 1979-05-04 | 1982-05-01 | 5 | UCD | 200m, 400m |
| 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 |
| 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 |
| J.H.G. Dick | m | 1933-05-27 | 1933-05-27 | 2 | QUB | 100y, 220y |
| J.P. Dickson | m | 2000-02-26 | 2000-02-26 | 1 | UL | XC |
| James Alfred Nicholson Dickson | m | 1920-06-05 | 1920-06-05 | 1 | TCD | HJ |
| Conor Dillon | m | 1998-12-11 | 1998-12-12 | 1 | UL | HJ |
| John Dillon | m | 1970-05-09 | 1974-05-04 | 10 | TCD | 200m, 400m, 400mH, 800m |
| 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 | 2010-04-24 | 5 | UU | 800m, Road, XC |
| Thomas Dinneen | m | 1992-04-24 | 1992-04-25 | 2 | TCD | 35lbWfD, HT |
| Patrick Dinsmore | m | 1993-06-22 | 1994-06-28 | 2 | Guest, 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, Guest, IUAA | JT |
| W.A. Dison | m | 1913-05-24 | 1913-05-24 | 1 | TCD | HJ |
| Jonathan Diver | m | 1992-03-07 | 1992-03-07 | 1 | Guest | XC |
| J.P. Dixon | m | 1998-12-11 | 1998-12-12 | 1 | UL | 1500m |
| Conor Doheny | m | 2001-04-20 | 2001-04-21 | 1 | UCD | HJ |
| Aaron Doherty | m | 1998-06-23 | 1998-06-23 | 1 | NI U23 | 5000m |
| Brian Doherty | m | 2003-04-25 | 2003-04-26 | 1 | RCSI | 100m |
| Ciaran Doherty | m | 1994-06-28 | 1994-06-28 | 1 | Guest | HJ |
| Ciaran Doherty | m | 1993-06-22 | 1994-06-28 | 2 | NI U20 | 110mH |
| Cormac Doherty | m | 2009-02-14 | 2009-04-25 | 9 | TCD | 200m, 4x100m, 4x200m, 60m |
| E. Doherty | m | 1925-06-06 | 1925-06-06 | 1 | UCD | SP |
| Gerard Doherty | m | 1992-04-24 | 1996-02-10 | 4 | Guest, UU | 35lbWfD, HT, SP |
| J. Doherty | m | 1974-05-03 | 1974-05-04 | 1 | UCG | 5000m |
| 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 | 2010-04-24 | 13 | DCU | 110mH, CE, HJ, LJ, SP |
| Paul Doherty | m | 2009-02-14 | 2009-02-15 | 1 | Guest | 60mH |
| Shane Patrick Doherty | m | 2009-11-14 | 2009-11-14 | 1 | TCD | Road |
| John Dolan | m | 2001-04-20 | 2001-04-21 | 1 | AIT | LJ |
| Kieran Dolan | m | 1996-02-09 | 1996-02-10 | 1 | Guest | SP |
| Peter Dolan | m | 2002-11-16 | 2002-11-16 | 1 | QUB | Road |
| Stephen Dolan | m | 2009-03-07 | 2009-03-07 | 1 | NUIM | XC |
| Colm Dolton | m | 1996-02-09 | 1996-02-10 | 1 | Guest | 3000m |
| David Donaghy | m | 1998-04-24 | 1999-04-24 | 4 | UU | 100m |
| David Donaghy | m | 1995-06-20 | 1995-06-20 | 1 | NI U23 | 200m |
| 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 |
| Mark Donlon | m | 2003-03-09 | 2003-11-22 | 3 | DIT | 800m, Road, XC |
| Fintan Donnelan | m | 2010-03-13 | 2010-03-13 | 1 | NUIG | XC |
| Shane Donnellan | m | 2007-11-17 | 2007-11-17 | 1 | UCD | Road |
| Dermot Donnelly | m | 1991-05-03 | 1995-03-04 | 4 | IUAA, QUB | 5000m, XC |
| Enda Donnelly | m | 1996-12-13 | 1998-04-25 | 8 | UL | 200m, 400m, 4x200m |
| John Donnelly | m | 1996-06-25 | 2002-06-18 | 22 | IUAA, NI U23, QUB | 100m, 200m, 4x100m, LJ, TJ |
| Turlough Donnelly | m | 1996-12-13 | 2003-03-22 | 10 | Guest, NI U23, QUB | 10000m, 1500m, 3000m, Road, XC |
| F. Donney | m | 1983-05-06 | 1983-05-07 | 2 | UCD | DT, SP |
| Brian Donoghue | m | 2000-04-14 | 2000-04-15 | 1 | UCC | 400m |
| Bryan Donoghue | m | 1996-02-09 | 2003-04-26 | 24 | IUAA, UCC | 200m, 400m, 400mH, 4x200m, 4x400m, TJ |
| Maurice Donoghue | m | 2003-11-22 | 2009-04-25 | 40 | IUAA, UL | 16kgWfD, 200m, 35lbWfD, 400m, 400mH, 4x100m, 4x200m, 4x400m, 60mH, DT, JT, Road, SP |
| Daniel Donohoe | m | 2009-11-14 | 2009-11-14 | 1 | TCD | Road |
| Francis Donohue | m | 1992-03-07 | 1992-03-07 | 1 | NUIM | XC |
| H. Donovan | m | 1977-05-06 | 1977-05-07 | 1 | UCG | HJ |
| J. Donovan | m | 1950-05-17 | 1950-05-17 | 1 | UCC | 220y |
| Pat Donovan | m | 1999-11-13 | 2003-11-22 | 8 | TCD | 3000m, Road, XC |
| Robert E. Donovan | m | 1873-05-19 | 1873-05-19 | 2 | UCC | 880y, Mile |
| S. 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 |
| J. Dooley | m | 1970-05-09 | 1972-05-06 | 3 | UCD | 1500m, 800m |
| Mark Dooley | m | 2008-03-08 | 2010-04-24 | 6 | DCU | 10000m, Road, XC |
| Ronin Doolin | m | 2003-04-25 | 2003-04-26 | 1 | UCD | 800m |
| Roy Dooney | m | 1980-05-02 | 1980-05-03 | 2 | TCD | 10000m, 5000m |
| 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 | 1993-02-12 | 1 | UL | 400m |
| Michael Dore | m | 2007-04-13 | 2010-04-24 | 10 | UL | 1500m, 800m, HJ, Road, XC |
| John Dorian | m | 2000-04-14 | 2000-04-15 | 1 | RCSI | 10000m |
| Roger Dorsch | m | 2000-11-12 | 2001-04-07 | 4 | UCD | 3000m, Road, XC |
| Tomas Doubeta | m | 2004-02-06 | 2004-02-07 | 2 | Guest | 200m |
| H.A. Dougan | m | 1935-05-25 | 1937-05-22 | 6 | 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 |
| Scott Douglas | m | 2001-06-19 | 2001-06-19 | 1 | SU | LJ |
| Mark Dowdall | m | 2006-12-02 | 2007-04-14 | 3 | DCU | 100m, 200m |
| Colm Dowds | m | 2003-11-22 | 2003-11-22 | 1 | TCD | Road |
| Brendan Dowling | m | 1998-12-11 | 1998-12-12 | 1 | WIT | 400m |
| Brendan Dowling | m | 2002-04-19 | 2002-04-20 | 3 | NUIG | 4x400m, 800m |
| C.T. Dowling | m | 1921-06-04 | 1921-06-04 | 2 | QUB | 440y, 880y |
| Michael Dowling | m | 2009-11-14 | 2010-04-24 | 4 | WIT | 1500m, Road, XC |
| T.M. Dowling | m | 1912-06-03 | 1914-06-06 | 4 | TCD | 880y, Mile |
| A. Downey | m | 1994-02-19 | 1994-02-19 | 1 | UCG | XC |
| Fergal Downey | m | 1984-05-04 | 1986-05-03 | 4 | UCD | DT, SP |
| Gavin Downey | m | 2008-11-15 | 2010-03-13 | 8 | WIT | 1500m, 3000mSC, Road, XC |
| Fabian Downs | m | 2008-03-28 | 2008-03-28 | 1 | Welsh Universities | M |
| Adian Doyle | m | 2001-04-07 | 2001-04-07 | 1 | DIT | XC |
| Adrian Doyle | m | 1995-12-16 | 1999-03-06 | 5 | UCC | 1500m, XC |
| Aidan Doyle | m | 1999-11-13 | 2001-04-21 | 4 | DIT, Guest | 10000m, 5000m, Road |
| Andrew Doyle | m | 2001-12-07 | 2004-02-07 | 13 | WIT | 100m, 200m, 400m, 4x100m, 4x200m, 4x400m, 60m, LJ |
| Brendan Doyle | m | 2001-12-07 | 2005-04-23 | 28 | UL | 110mH, 4x100m, 4x200m, 60mH, CE, HJ, JT, LJ, SP, TJ |
| Ciaran Doyle | m | 1994-02-19 | 1996-02-17 | 3 | TCD | XC |
| Cillian Doyle | m | 2001-11-07 | 2001-11-07 | 1 | IT Tallaght | Road |
| Conan Doyle | m | 1996-02-09 | 1996-02-10 | 1 | Guest | 800m |
| 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 |
| Kevin Doyle | m | 2002-11-16 | 2002-11-16 | 1 | TCD | Road |
| M. Doyle | m | 1984-05-04 | 1984-05-05 | 1 | QUB | 4x400m |
| 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 |
| S. Doyle | m | 1986-05-02 | 1986-05-03 | 1 | QUB | 110mH |
| Serag Dredar | m | 2000-04-14 | 2004-04-17 | 3 | RCSI | 10000m, 3000mSC, 4x100m |
| Jimmy Dripps | m | 1968-05-11 | 1968-05-11 | 1 | QUB | 3 Miles |
| D. Drislane | m | 1977-05-06 | 1977-05-07 | 1 | TCD | 100m |
| Tristan Druet | m | 2005-11-19 | 2006-04-22 | 3 | UCC | 10000m, Road, XC |
| 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 |
| Andrew Duffin | m | 1996-12-13 | 1998-04-25 | 8 | TCD | 3000mSC, 800m, Road, XC |
| Conor Duffy | m | 2007-12-08 | 2010-04-24 | 6 | IT Carlow | 100m, 200m, 60m, LJ |
| Jarleth Duffy | m | 1995-04-21 | 1996-04-20 | 3 | UL | 110mH, 60mH |
| Martin Duffy | m | 2006-11-18 | 2006-11-18 | 1 | QUB | Road |
| Padraigh Duffy | m | 2000-12-01 | 2001-04-21 | 6 | IT Carlow | 200m, 60m |
| Paul Duffy | m | 1976-04-30 | 1978-05-06 | 4 | UCD | 100m, 200m, 400m |
| David Dugan | m | 1992-04-24 | 1992-04-25 | 1 | TCD | 10000m |
| Gregory Duggan | m | 1981-05-01 | 1981-05-02 | 1 | UCD | 100m |
| J. Duggan | m | 1938-05-26 | 1939-05-27 | 5 | UCG | 120yH, DT, SP |
| Kevin Duggan | m | 2005-12-10 | 2009-04-25 | 21 | DCU, NUIG | 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 | 2010-04-24 | 12 | DCU | 1500m, 2000mW, 4x200m, 4x400m, 800m, Road, XC |
| Matt Dumigan | m | 2008-03-28 | 2008-03-28 | 1 | Welsh Universities | M |
| J. Dunbar | m | 1912-06-03 | 1912-06-03 | 3 | TCD | 100y, 220y |
| Jon Duncan | m | 1998-03-14 | 1998-03-14 | 1 | SU | XC |
| Niall Duncan | m | 2000-11-12 | 2001-04-07 | 4 | UCC | 3000m, Road, XC |
| Alan Dunford | m | 2004-04-16 | 2004-04-17 | 1 | Guest | 100m |
| Emmet Dunleavy | m | 2001-04-20 | 2005-04-23 | 4 | NUIG | 3000m, 3000mSC, 5000m |
| Emmett Dunleavy | m | 2000-12-01 | 2004-11-20 | 11 | NUIG | 1500m, 3000m, 3000mSC, Road, XC |
| Keith Dunlop | m | 2000-06-20 | 2003-06-10 | 3 | SU | 1500m, 400m, 800m |
| Richard Dunn | m | 1993-06-22 | 1993-06-22 | 2 | NI U20 | 100m, 110mH |
| A. Dunne | m | 1978-05-05 | 1981-05-02 | 4 | UCD | LJ, TJ |
| Brian Dunne | m | 1981-05-01 | 1987-05-09 | 8 | UCD | 200m, 400m, 400mH |
| Brian Dunne | m | 2004-02-06 | 2006-12-03 | 7 | WIT | 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 | 1996-02-10 | 6 | QUB | 200m, 4x200m, 60m |
| Eoin Dunne | m | 2008-11-15 | 2009-03-07 | 2 | DCU | Road, XC |
| Garrett Dunne | m | 2010-04-23 | 2010-04-24 | 1 | TCD | 3000mSC |
| Gerry Dunne | m | 1987-05-08 | 1987-05-09 | 1 | ILSI | 800m |
| Gerry Dunne | m | 1984-05-04 | 1984-05-05 | 1 | UCD | 1500m |
| 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. Dunne | m | 1935-05-25 | 1935-05-25 | 2 | UCD | 880y, Mile |
| M.I. Dunne | m | 1936-05-30 | 1936-05-30 | 1 | UCD | Mile |
| M.J. Dunne | m | 1938-05-26 | 1938-05-26 | 1 | UCD | Mile |
| Neil Dunne | m | 2009-02-14 | 2010-04-24 | 13 | UCD | 200m, 4x100m, 4x200m |
| P. Dunne | m | 1966-05-07 | 1966-05-07 | 1 | UCD | 100y |
| P. Dunne | m | 1979-05-04 | 1980-05-03 | 2 | TCD | 1500m |
| Robert Dunne | m | 2000-04-14 | 2000-04-15 | 2 | IT Tallaght | 100m |
| Trevor Dunne | m | 2002-12-06 | 2004-12-04 | 7 | IT Tallaght | 35lbWfD, DT, SP |
| Andrew Dunwoody | m | 1994-06-28 | 2002-06-18 | 35 | IUAA, NI U20, NI U23, President's Select, QUB | 1500m, 3000m, 3000mSC, 4x200m, 4x400m, 5000m, Mile, Road, XC |
| David Dunwoody | m | 2002-11-16 | 2002-11-16 | 1 | Guest | Road |
| David Dunwoody | m | 1990-04-27 | 1995-12-16 | 13 | Guest, IUAA, QUB | 3000mSC, 35lbWfD, 5000m, XC |
| Ian Durkan | m | 2010-02-13 | 2010-02-13 | 1 | AIT | 60m |
| Daniel Dusek | m | 1995-06-20 | 1995-06-20 | 1 | H & Y | JT |
| M. Dwane | m | 1953-07-15 | 1953-07-15 | 2 | UCC | 880y, Mile |
| Owen Dwyer | m | 2007-11-17 | 2010-03-13 | 2 | TCD | Road, XC |
| Michael Dyer | m | 2004-06-08 | 2007-04-14 | 3 | Guest, NI U23 | 800m |
| Ailbhe D'arcy | f | 2005-12-10 | 2005-12-11 | 6 | UL | 200m, 4x200m, 60m |
| Mary Dallat | f | 2010-03-13 | 2010-03-13 | 1 | QUB | XC |
| Mary Dallat | f | 2002-11-16 | 2006-03-04 | 19 | NI U23, President's Select, QUB | 1500m, 3000m, 4x100m, 4x400m, 800m, Road, XC |
| B. Daly | f | 1981-05-01 | 1981-05-02 | 1 | UCC | 1500m |
| Brenda Daly | f | 1996-02-09 | 1996-02-10 | 2 | Guest | 400m, 800m |
| D. Daly | f | 1981-05-01 | 1981-05-02 | 1 | UCC | 3000m |
| Emer Daly | f | 1998-02-28 | 1998-02-28 | 1 | DCU | XC |
| Jenny Daly | f | 1999-11-13 | 2000-02-26 | 5 | TCD | 3000m, 800m, Road, XC |
| Monica Daly | f | 1996-02-09 | 1996-02-10 | 1 | Guest | 1500m |
| Norah Daly | f | 1994-01-21 | 2005-06-07 | 18 | IUAA, SPM, TCD | 1500m, 3000m, 5000m, 8kgWfD, HT, Road, XC |
| S. Daly | f | 1981-05-01 | 1981-05-02 | 1 | TCE | 3000m |
| Suzanne Daly | f | 2008-04-18 | 2008-04-19 | 1 | UCD | 1500mW |
| Emma Daniel | f | 1999-04-23 | 2003-06-10 | 21 | IUAA, UL | 8kgWfD, 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, 4x200m, 60mH, 8kgWfD, CE, DT, HJ, HT, JT, LJ, Road, SP, TJ |
| Caoimhe Daniels | f | 2009-04-24 | 2009-11-14 | 2 | UL | 1500mW, Road |
| Enna Darcy | f | 2007-11-17 | 2007-11-17 | 1 | CIT | Road |
| Enna Darcy | f | 2007-11-17 | 2008-03-08 | 2 | CIT | Road, XC |
| L. Daunt | f | 1967-05-06 | 1967-05-06 | 1 | TCD | SP |
| 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 | 4x100m, 4x200m, 8kgWfD, DT, HT, JT, SP |
| 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 | 15 | IUAA, UCC | 1500m, 400m, 4x200m, 800m, Road, XC |
| 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 |
| Caitriona De Paor | f | 2004-12-03 | 2005-04-23 | 6 | UCC | 4x100m, 4x200m, LJ, TJ |
| Caroline Deacy | f | 1994-01-21 | 1999-04-24 | 40 | IUAA, UCD | 100mH, 200m, 4x100m, 4x200m, 4x400m, 60m, 60mH, HJ, JT, LJ, SP, TJ |
| Caroline Deasy | f | 1994-06-28 | 1994-06-28 | 2 | IUAA | LJ, TJ |
| S. DeBurca | f | 1974-05-03 | 1974-05-04 | 1 | UCG | 3000m |
| 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 |
| Julia DeGroff | f | 2000-02-26 | 2000-02-26 | 1 | TCD | XC |
| Kim Delaney | f | 2009-04-24 | 2010-04-24 | 3 | IT Carlow | 800m |
| Roisin Delaney | f | 2000-04-14 | 2000-04-15 | 1 | TCD | 3000m |
| Sinead Delaney | f | 1996-02-09 | 2000-06-20 | 21 | IUAA, UCD | 100m, 1500mW, 4x200m, DT, HT, SP |
| Sineád Delany | f | 1998-12-11 | 1999-12-04 | 4 | UCD | 4x200m, SP |
| Sinead Delany | f | 1998-06-23 | 1998-06-23 | 3 | IUAA | DT, HT, SP |
| 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 |
| Doreen Dempsey | f | 1995-03-04 | 1995-12-16 | 2 | UCD | XC |
| Caroline Denby | f | 1999-06-22 | 1999-06-22 | 1 | Guest | 800m |
| 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 |
| Sinead Denny | f | 2009-11-14 | 2010-04-24 | 9 | DIT | 400m, 4x400m, 800m, Road, XC |
| Eithne DeValera | f | 1970-05-09 | 1971-05-08 | 4 | UCD | 1500m, 800m |
| Ciara Devani | f | 1997-12-12 | 1997-12-13 | 2 | IT Tralee | 200m, 60m |
| 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 | Guest, IUAA, UCD | 100mH, 4x100m, 4x200m, 60m, 60mH, HJ, LJ, PV, TJ |
| 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 | 1995-04-21 | 1995-06-20 | 3 | 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 |
| Mary Dirrane | f | 1999-11-13 | 1999-11-13 | 1 | NUIG | 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 | 1972-05-06 | 8 | UCD | 100m, 100mH, 200m, 220y, HJ, JT* |
| Dawn Diver | f | 2001-12-07 | 2001-12-08 | 3 | TCD | 4x200m, 60m |
| Hester Dix | f | 2008-03-28 | 2008-03-28 | 1 | SU | F |
| Jane Dixon | f | 2005-04-22 | 2005-04-23 | 3 | DCU | 8kgWfD, DT, HT |
| Caroline Dobbyn | f | 2006-02-18 | 2006-03-04 | 2 | TCD | XC |
| H. Dobson | f | 1968-05-11 | 1969-05-03 | 6 | QUB | DT, JT*, SP |
| Alison Docherty | f | 2009-03-28 | 2009-03-28 | 1 | Scotland | XC |
| Therasa Docherty | f | 1999-04-23 | 1999-04-24 | 1 | UU | 4x400m |
| 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 |
| 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 |
| Theresa Doherty | f | 1998-12-11 | 1998-12-12 | 4 | UU | 200m, 400m |
| Theresa Doherty | f | 1995-12-16 | 1995-12-16 | 1 | UU | XC |
| Aisling Dolan | f | 1999-12-03 | 1999-12-04 | 2 | WIT | 1500mW, 4x200m |
| Lisa Dolan | f | 2010-02-13 | 2010-04-24 | 5 | DCU | 8kgWfD, DT, HT, SP |
| Maggie Donahue | f | 2008-03-08 | 2008-03-08 | 1 | UCC | XC |
| Catriona Donald | f | 1996-06-25 | 1997-06-24 | 2 | SU | JT* |
| Elaine Donald | f | 1993-06-22 | 1996-06-25 | 10 | SU | 100mH, 400mH, LJ, SP |
| F. Donlon | f | 1975-05-02 | 1975-05-03 | 1 | QUB | 200mH |
| M. Donlon | f | 1980-05-02 | 1980-05-03 | 1 | UCG | 400m |
| 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 |
| 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 | Guest, QUB | 4x400m, 8kgWfD, HJ, JT, Road, SP |
| Niamh Donnelly | f | 2010-02-13 | 2010-04-24 | 3 | TCD | 1500m, 800m, XC |
| Orna Donoghue | f | 1998-12-11 | 2007-04-14 | 137 | IUAA, UL | 100m, 100mH, 400mH, 4x100m, 4x200m, 4x400m, 60m, 60mH, 8kgWfD, CE, DT, HJ, HT, JT, LJ, PV, SP |
| Ann Marie Donovan | f | 1994-01-21 | 1994-01-21 | 1 | UCD | 60mH |
| Suzanne Donovan | f | 2007-11-17 | 2009-11-14 | 6 | DCU | 3000m, Road, XC |
| Lesley Ann Doughan | f | 2010-04-23 | 2010-04-24 | 3 | DIT | 1500m, 4x400m, 800m |
| 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 | JT* |
| Susan Mary Douglas | f | 1993-06-22 | 1997-06-24 | 4 | NI U20, NI U23 | 100m, 200m |
| Lisa Dowling | f | 1999-11-13 | 1999-11-13 | 1 | DIT | Road |
| Sinead Dowling | f | 2010-02-13 | 2010-04-24 | 5 | UCD | 4x100m, 4x200m, 60m |
| M. Downes | f | 1984-05-04 | 1984-05-05 | 1 | TCD | 100mH |
| Anne Doyle | f | 2005-12-10 | 2007-04-14 | 6 | IT Carlow | 400m, 800m |
| Gail Doyle | f | 1998-12-11 | 2000-12-02 | 25 | UCD | 100mH, 400m, 400mH, 4x200m, 4x400m, 60m, 60mH, 800m, JT, PV, Road, SP |
| Jane Doyle | f | 1970-05-09 | 1972-05-06 | 3 | UCD | 400m, 800m |
| Mary Doyle | f | 1974-05-03 | 1977-05-07 | 13 | UCC | 100m, 200m, LJ, SP |
| Michelle Doyle | f | 1998-02-28 | 2001-04-07 | 8 | DCU | 1500mW, 800m, JT, SP, XC |
| Orla Doyle | f | 2004-04-16 | 2004-04-17 | 6 | UL | 400mH, CE, HJ, LJ, SP, TJ |
| Sarah Doyle | f | 2008-04-18 | 2010-04-24 | 3 | DCU | 100mH, 4x100m |
| Orla Drumm | f | 2003-11-22 | 2008-03-08 | 21 | UCC | 1500m, 3000m, 4x100m, 4x400m, 800m, 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 |
| Jackie Duffin | f | 1992-03-07 | 1992-03-07 | 1 | NUIM | 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 | NUIG | 4x100m, LJ |
| Dolores Duggan | f | 1974-05-03 | 1976-05-01 | 5 | UCG | DT, 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 |
| Norita Duggan | f | 2000-04-14 | 2000-04-15 | 1 | CIT | SP |
| Mary Dullaghan | f | 1994-02-19 | 1995-12-16 | 2 | UL | XC |
| Mary Dullahane | f | 1996-02-09 | 1996-02-10 | 1 | UL | 800m |
| Mary Dungannon | f | 1994-01-21 | 1994-01-21 | 1 | UL | 800m |
| 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 |
| Sarah Dunne | f | 2002-12-06 | 2002-12-07 | 3 | UCD | 4x200m, 60m, LJ |
| Ashling Dunphy | f | 2010-02-13 | 2010-04-24 | 8 | UCD | 4x100m, 4x200m, LJ, TJ |
| Vanessa Durand | f | 1999-04-23 | 1999-04-24 | 4 | TCD | DT, HT, JT, SP |
| Ciara Durkan | f | 2006-03-04 | 2010-04-24 | 21 | 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 |
| Agnes Dysdale | f | 1999-04-23 | 1999-04-24 | 1 | QUB | 800m |