| - | 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 |
|---|---|---|---|---|---|---|
| Faith Kabelo | m | 2023-04-21 | 2023-04-22 | 1 | UCD | 100m |
| Richard Kamson | m | 2022-01-29 | 2022-04-09 | 5 | GMIT | 4x100m, 4x400m, HJ, TJ |
| Richard Kamson | m | 2024-02-10 | 2024-04-06 | 5 | ATU | 400mH, 4x200m, 60mH, TJ |
| Yuri Kanash | m | 2017-02-10 | 2022-04-09 | 7 | Ireland, UL | PV |
| Niall Kane | m | 2003-04-25 | 2003-06-10 | 5 | IUAA, TCD | HJ, LJ, TJ |
| Pat Kane | m | 1995-03-04 | 1995-03-04 | 1 | UCG | XC |
| R. Kania | m | 1989-05-05 | 1989-05-06 | 1 | UCG | 5000m |
| M.T. Kaplan | m | 1933-05-27 | 1933-05-27 | 2 | QUB | DT, SP |
| Kacper Kapturkiewicz | m | 2020-03-07 | 2020-03-07 | 1 | UG | XC |
| N. Karafilis | m | 1970-05-09 | 1970-05-09 | 1 | RCSI | HJ |
| Komenez Karmello | m | 1998-12-11 | 1998-12-12 | 3 | UU | 200m, 3000m, 60m |
| Scott Karonka | m | 1999-06-22 | 2000-06-20 | 2 | SU | 800m |
| David Katale | m | 1977-06-14 | 1977-06-14 | 1 | Birmingham | TJ |
| Maxence Kauffman | m | 2022-11-11 | 2023-03-04 | 5 | TCD | 1500m, 800m, Road, XC |
| Cathal Kavanagh | m | 2013-11-23 | 2013-11-23 | 1 | TCD | Road |
| Daniel Kavanagh | m | 2011-04-29 | 2011-04-30 | 2 | DCU | 100m |
| David Kavanagh | m | 2014-11-15 | 2017-11-18 | 18 | UCC | 1500m, 4x400m, 800m, Road, XC |
| Ger Kavanagh | m | 2001-11-07 | 2001-11-07 | 1 | NUIM | Road |
| Mark Kavanagh | m | 2012-02-04 | 2015-04-11 | 28 | DCU | 100m, 200m, 4x100m, 4x200m |
| R.J. Kavanagh | m | 1951-05-26 | 1951-05-26 | 1 | UCD | 120yH |
| Rory Kavanagh | m | 2014-03-08 | 2014-03-08 | 1 | UL | XC |
| T. Kavanagh | m | 1975-05-02 | 1977-05-17 | 4 | UCD | HT, SP |
| Tom Kavanagh | m | 1954-05-22 | 1954-05-22 | 1 | UCC | 220y |
| Joe Kealey | m | 1999-06-22 | 1999-06-22 | 1 | SU | 1500m |
| Joe Kealy | m | 2000-06-20 | 2000-06-20 | 1 | SU | 5000m |
| Brian Kean | m | 2010-03-13 | 2010-03-13 | 1 | CIT | XC |
| Aaron Keane | m | 2022-04-08 | 2024-02-10 | 6 | UG | 400m, 4x100m, 4x400m |
| David Keane | m | 2004-12-03 | 2008-04-19 | 11 | TCD | 35lbWfD, JT, SP |
| Derek Keane | m | 1994-04-22 | 1994-04-23 | 1 | UCC | JT |
| Dwayne Keane | m | 1996-12-13 | 1996-12-14 | 2 | Carlow RTC | 200m |
| F. Keane | m | 1975-05-21 | 1975-05-21 | 1 | UCD | DT |
| Joe Keane | m | 1986-03-08 | 1986-03-08 | 1 | UCC | XC |
| Joseph Keane | m | 2018-03-10 | 2018-03-10 | 1 | DKIT | XC |
| Kevin Keane | m | 1995-06-17 | 1995-06-17 | 1 | Dublin | HJ |
| M. Keane | m | 1978-03-04 | 1981-03-07 | 5 | UCC | 400mH, 800m, XC |
| Martin Keane | m | 1998-02-28 | 1999-04-24 | 8 | UL | 1500m, 3000m, 5000m, 800m, XC |
| Micheal Keane | m | 2005-11-19 | 2007-11-17 | 10 | UL | 10000m, 1500m, 2000mW, 800m, HT, Road |
| Moss Keane | m | 1971-05-07 | 1971-05-08 | 1 | UCC | HT |
| Neill Keane | m | 2021-09-26 | 2022-01-29 | 3 | UG | 800m, Road, XC |
| Noel Keane | m | 1951-05-26 | 1951-05-26 | 1 | UCD | 100y |
| P. Keane | m | 1959-05-13 | 1959-05-13 | 1 | UCG | Mile |
| P. Keane | m | 1958-07-28 | 1958-07-28 | 1 | UCD | Mile |
| Padraig Keane | m | 1995-02-10 | 1995-02-10 | 1 | UCG | HJ |
| Shane Keane | m | 2018-02-09 | 2018-05-26 | 9 | Ireland, TCD | 100m, 4x100m, 4x200m, 60m, LJ |
| Shane Keane | m | 2019-02-08 | 2022-04-09 | 22 | TCD | 100m, 200m, 4x100m, 4x200m, 4x400m, 60m, LJ |
| T. Keane | m | 1954-05-22 | 1954-05-22 | 1 | UCD | DT |
| Eoghan Keaney | m | 2021-09-26 | 2022-01-29 | 4 | DCU | 1500m, Road, XC |
| Sean Keany | m | 2012-11-17 | 2012-11-17 | 1 | DIT | Road |
| M. Kearce | m | 1979-03-17 | 1979-03-17 | 1 | UCC | XC |
| Cillian Kearney | m | 2019-11-16 | 2019-11-16 | 1 | CIT | Road |
| Declan Peter Kearney | m | 1987-05-08 | 1989-05-06 | 5 | TCD | DT, HT, JT |
| J. Kearney | m | 1922-06-10 | 1925-06-06 | 6 | UCC | 100y, 220y, 440y |
| John Kearney | m | 1994-02-19 | 1994-04-23 | 2 | UCC | 10000m, XC |
| John F. Kearney | m | 1969-05-15 | 1975-05-21 | 26 | IUAA, UCD | 100m, 100y, 200m, 220y, 400mH, 4x100m, 4x110y |
| Kieran Kearney | m | 2011-11-12 | 2011-11-12 | 1 | CIT | Road |
| P. Kearney | m | 1970-03-14 | 1971-02-20 | 3 | SPM | 1500m, XC |
| P. Kearney | m | 1975-12-13 | 1975-12-13 | 1 | TCD | XC |
| Philip Kearney | m | 2000-12-01 | 2008-04-19 | 53 | IUAA, UL | 110mH, 2000mW, 35lbWfD, 400m, 400mH, 4x200m, 4x400m, 60mH, CE, DT, HJ, HT, JT, LJ, PV, Road, SP, TJ |
| Philip Kearney | m | 2005-06-07 | 2005-06-07 | 1 | GST | 200m |
| T. Kearney | m | 1948-05-22 | 1950-05-17 | 4 | UCD | 100y, 880y, 220yx2, 440y, LJ |
| Tadhg Kearney | m | 2017-11-18 | 2017-11-18 | 1 | UCC | Road |
| W. Kearney | m | 1976-03-06 | 1976-03-06 | 1 | NCPE | XC |
| Chris Kearns | m | 2020-02-15 | 2020-02-15 | 4 | AIT | CE, HJ, LJ, SP |
| Cormac Kearns | m | 2002-12-06 | 2003-04-26 | 6 | IT Tallaght | 200m, 400m, 4x400m, 60m |
| David Kearns | m | 1996-02-09 | 1997-12-13 | 14 | DCU, IUAA | 200m, 400m, 4x200m |
| Donal Kearns | m | 2016-02-12 | 2020-02-15 | 41 | Ireland, TCD, UL | 100mH, 110mH, 4x100m, 60mH, CE, HJ, LJ, PV, SP |
| Dylan Kearns | m | 2018-02-09 | 2018-04-14 | 4 | AIT | 4x200m, JT, LJ |
| Harry Kearns | m | 2018-11-17 | 2022-04-09 | 5 | UCD | 5000m, Road, XC |
| Thomas Kearns | m | 2018-04-13 | 2018-04-14 | 2 | IT Tralee | 4x100m, LJ |
| Jerimiah Keary | m | 2020-02-15 | 2020-02-15 | 3 | AIT | 4x200m, HJ |
| Callum Keating | m | 2023-11-28 | 2023-11-28 | 1 | UL | SP |
| Callum Keating | m | 2024-02-10 | 2024-04-06 | 4 | UL | 35lbWfD, DT, SP |
| Noel Keating | m | 1996-04-19 | 1997-04-26 | 2 | UCC | PV |
| Samuel Keating | m | 2012-03-10 | 2012-03-10 | 1 | UL | XC |
| J.J. Keaty | m | 1962-06-06 | 1962-06-06 | 1 | NACA | DT |
| Richard G. Keays | m | 1924-05-31 | 1924-05-31 | 1 | TCD | HJ |
| Ruaidhri Kedney | m | 2005-12-10 | 2012-02-04 | 15 | UG | 100m, 200m, 400m, 4x100m, 4x200m, 60m, Road |
| Ruairdhi Kedney | m | 2009-02-14 | 2009-02-15 | 1 | UG | 4x200m |
| Ruairi Kedney | m | 2007-12-08 | 2008-04-19 | 5 | UG | 100m, 200m, 4x100m, 4x200m, 4x400m |
| Declan Keegan | m | 2000-11-12 | 2001-04-07 | 2 | DIT | Road, XC |
| John Keegan | m | 2006-12-02 | 2012-04-21 | 29 | TCD | 100m, 110mH, 200m, 400mH, 4x100m, 4x200m, 60m, HJ |
| T.G. Keegan | m | 1929-06-01 | 1929-06-01 | 1 | QUB | DT |
| J. Keehan | m | 1972-03-04 | 1972-03-04 | 1 | UCG | XC |
| Seamus Keehan | m | 1971-02-20 | 1973-03-10 | 2 | UCG | XC |
| P.E.R.B. Keelan | m | 1951-05-26 | 1951-05-26 | 2 | UCD | 100y, 220y |
| Kevin Keelihan | m | 1985-05-03 | 1985-05-04 | 1 | UCD | 3000mSC |
| B. Keely | m | 1969-03-01 | 1970-03-14 | 2 | UCG | XC |
| Michael Keely | m | 2008-03-08 | 2008-04-19 | 2 | UCD | 10000m, XC |
| Mike Keely | m | 2001-12-07 | 2004-12-04 | 6 | IT Sligo | 1500m, 3000m, 3000mSC |
| Conor Keena | m | 2012-03-10 | 2012-03-10 | 1 | CIT | XC |
| Anthony Keenan | m | 2000-11-12 | 2000-11-12 | 1 | TCD | Road |
| D. Keenan | m | 1988-03-05 | 1988-03-05 | 1 | UCC | XC |
| Daniel Keenan | m | 2012-04-20 | 2012-04-21 | 1 | AIT | SP |
| L. Keenan | m | 1977-05-17 | 1977-05-17 | 1 | UCD | DT |
| Ryan Keenan | m | 2018-02-09 | 2019-04-06 | 9 | QUB | 200m, 400m, 4x100m, 4x400m |
| Ryan Keenan | m | 2012-07-18 | 2012-07-18 | 1 | City of Lisburn AC | 100m |
| Tony Keenan | m | 2001-02-24 | 2001-02-24 | 1 | TCD | XC |
| Trevor Keenan | m | 1998-12-11 | 2002-04-20 | 10 | DCU, IUAA | 35lbWfD, DT, HT, SP |
| Tomas Keenhan | m | 2012-02-04 | 2012-02-04 | 5 | UG | 4x200m, 60m, HJ, TJ |
| Shane Keevers | m | 2017-02-10 | 2018-02-09 | 14 | UCC | 100m, 200m, 400m, 4x100m, 4x200m, 4x400m |
| Gabriel Kehinde | m | 2022-01-29 | 2023-11-28 | 5 | GST, LIT | 100m, 60m |
| Gabriel Kehinde | m | 2024-02-10 | 2024-02-10 | 4 | TUS | 4x200m, 60m |
| Damien Kehoe | m | 1998-02-28 | 1998-02-28 | 1 | DIT | XC |
| Simon Kehoe | m | 1996-04-19 | 1998-12-12 | 10 | UCD | 100m, 200m, 4x200m, 60m, LJ |
| David Keilty | m | 1996-12-13 | 1996-12-14 | 3 | QUB | 200m, 4x200m, 60m |
| G. Keily | m | 1970-03-14 | 1970-03-14 | 1 | SPM | XC |
| Paul Kellagher | m | 1993-02-12 | 1993-02-12 | 1 | UL | 400m |
| Kevin Kelleghan | m | 1988-03-01 | 1988-04-30 | 3 | UCD | 3000mSC, XC |
| P. Kellegher | m | 1993-06-22 | 1993-06-22 | 1 | IUAA | 400m |
| Adam Kelleher | m | 2011-03-12 | 2013-03-09 | 3 | CIT | XC |
| Andrew Kelleher | m | 2015-02-06 | 2016-02-12 | 7 | IT Carlow | 400m, 4x200m, 4x400m |
| Andrew Kelleher | m | 2017-02-10 | 2017-04-08 | 7 | IT Carlow | 400m, 4x100m, 4x200m, 4x400m |
| B. Kelleher | m | 1956-05-16 | 1956-05-16 | 1 | UCD | PV |
| D. Kelleher | m | 1989-05-05 | 1989-05-06 | 2 | UCD | 1500m, 5000m |
| David Kelleher | m | 1988-03-01 | 1989-03-04 | 5 | UCD | 1500m, 800m, XC |
| Derek Kelleher | m | 1988-03-01 | 1989-03-04 | 4 | UCD | 1500m, XC |
| Des Kelleher | m | 2017-02-10 | 2017-02-10 | 1 | TCD | TJ |
| Francis Kelleher | m | 2009-11-14 | 2010-04-24 | 5 | CIT | 4x100m, 4x400m, 800m, Road, XC |
| J. Kelleher | m | 1984-05-04 | 1984-05-05 | 1 | UCD | SP |
| James Kelleher | m | 2012-11-17 | 2013-11-23 | 4 | CIT | 3000mW, Road, XC |
| John B. Kelleher | m | 1962-06-06 | 1962-06-06 | 1 | IUAA | SP |
| Liam Kelleher | m | 1962-06-06 | 1966-05-18 | 12 | IUAA, NACA, UCD | HJ, LJ, TJ |
| Louis Kelleher | m | 2006-03-04 | 2006-03-04 | 1 | DCU | XC |
| Michael "Mick" Kelleher | m | 1983-05-06 | 1986-03-08 | 5 | UCC | 3000mSC, 5000m, XC |
| Noel Kelleher | m | 2001-12-07 | 2001-12-08 | 1 | UCC | HJ |
| P. Kelleher | m | 1976-03-06 | 1976-03-06 | 1 | QUB | XC |
| Paul Kelleher | m | 1989-05-05 | 1993-04-24 | 5 | NIHEL, UL | 200m, 400m |
| Tony Kelleher | m | 2007-02-24 | 2010-03-13 | 6 | UCC | 800m, Road, XC |
| Connor Keller | m | 2019-03-02 | 2019-03-02 | 1 | TCD | XC |
| John G. Kellett | m | 1964-11-21 | 1964-11-21 | 1 | TCD | XC |
| Michael Kelliher | m | 2009-02-14 | 2009-04-25 | 6 | UCC | 100m, 200m, 4x100m, 4x200m, HJ |
| ?. Kelly | m | 1974-05-03 | 1974-05-04 | 1 | NCPE | JTo |
| A. Kelly | m | 1967-05-27 | 1967-05-27 | 1 | BLE | 880y |
| Aaron Kelly | m | 2019-02-08 | 2023-04-22 | 20 | MU | 100m, 200m, 4x100m, 4x200m, 4x400m, 60m |
| Aidan Kelly | m | 2021-11-13 | 2022-03-05 | 2 | TCD | Road, XC |
| Aidan Kelly | m | 2002-04-19 | 2002-04-20 | 3 | IT Carlow | 35lbWfD, DT, HT |
| Alan Kelly | m | 2003-03-09 | 2005-06-07 | 10 | IUAA, NUIM | 1500m, 2000mSC, 3000mSC, 4x400m, 800m, Road, XC |
| Alan Kelly | m | 1992-04-24 | 1992-04-25 | 1 | UCD | 400mH |
| Alan Kelly | m | 2006-11-18 | 2007-04-14 | 4 | UG | 3000m, 3000mSC, Road, XC |
| Alan Kelly | m | 2011-04-29 | 2011-04-30 | 1 | NUIM | 10000m |
| Alan Kelly | m | 2014-11-15 | 2014-11-15 | 1 | TCD | Road |
| Brian Kelly | m | 1995-06-20 | 1997-06-24 | 4 | NI U23, QUB | 400m, LJ |
| Brian Kelly | m | 2010-11-13 | 2015-04-11 | 26 | DCU, IUAA | 1500m, 3000m, 4x400m, 800m, Road, XC |
| Caoimhin Kelly | m | 2013-03-09 | 2014-04-12 | 3 | NUIM | 5000m, XC |
| Cathal Kelly | m | 1999-04-23 | 1999-04-24 | 1 | UCD | JT |
| Christophere Kelly | m | 2009-02-14 | 2012-03-10 | 18 | DIT | 200m, 400m, 4x100m, 4x400m, 800m, Road, XC |
| Ciaran Kelly | m | 2002-06-18 | 2002-06-18 | 1 | GST | 800m |
| Cormac Kelly | m | 2012-11-17 | 2016-03-05 | 16 | DCU, IUAA | 1500m, 3000m, Road, XC |
| Cormac Kelly | m | 2018-02-09 | 2018-02-09 | 2 | IT Carlow | 3000m |
| Darragh Kelly | m | 2017-11-18 | 2022-04-09 | 15 | UL | 1500m, 3000mW, 800m, Road, XC |
| Darragh Kelly | m | 2024-02-10 | 2024-02-10 | 3 | UCC | 400m, Mixed 4x400m |
| Darragh Kelly | m | 2024-04-05 | 2024-04-06 | 2 | MTU | 400m, 4x100m |
| David Kelly | m | 2018-04-13 | 2018-04-14 | 3 | UG | 4x400m, 800m |
| David Kelly | m | 2019-11-16 | 2020-03-07 | 2 | UG | Road, XC |
| David Kelly | m | 2023-01-28 | 2024-03-09 | 7 | TUD | 1500m, 3000m, Road, XC |
| David Kelly | m | 2001-11-07 | 2005-11-19 | 8 | TCD, UG | 10000m, 5000m, Road, XC |
| David Kelly | m | 2000-12-01 | 2004-04-17 | 15 | IT Tallaght, IUAA | 1500m, 3000m, 4x400m, 5000m, 800m, Road |
| David Kelly | m | 1999-04-23 | 2001-04-21 | 4 | GST, IADT, IUAA | JT |
| Eoin Kelly | m | 2006-12-02 | 2013-06-01 | 34 | DCU, IUAA | 110mH, 60mH, CE, HJ, LJ, PV, SP, TJ |
| Eoin Kelly | m | 2014-02-07 | 2014-05-31 | 7 | IUAA, UCC | 4x100m, LJ, TJ |
| Eoin Kelly | m | 2019-03-02 | 2023-04-22 | 8 | UCD | 400m, 4x400m, XC |
| Eugene Kelly | m | 2004-02-28 | 2004-02-28 | 1 | UG | XC |
| Feidblim Kelly | m | 2003-04-25 | 2005-04-23 | 15 | UCD | 1500m, 4x200m, 4x400m, 800m, Road, XC |
| Feidhlim Kelly | m | 2004-11-20 | 2012-02-04 | 37 | DCU, UCD | 12, 4, 8, 16, 1500m, 3000m, 400m, 4x200m, 4x400m, 5000m, 800m, Road, XC |
| Gavin Kelly | m | 1982-12-04 | 1983-05-07 | 3 | UCD | 800m, XC |
| Gene Kelly | m | 2022-11-11 | 2023-04-22 | 3 | UG | 10000m, Road, XC |
| Gerard Kelly | m | 2024-04-05 | 2024-04-06 | 3 | SETU | 35lbWfD, HT, SP |
| Gerard Kelly | m | 2009-02-14 | 2009-02-15 | 2 | UCD | 35lbWfD, SP |
| Greg Kelly | m | 2019-05-25 | 2019-05-25 | 2 | Scotland | 100m, 4x100m |
| Hugh Kelly | m | 2024-04-05 | 2024-04-06 | 1 | UCD | JT |
| Jack Kelly | m | 2022-11-11 | 2024-03-09 | 5 | UG, UL | 1500m, Road, XC |
| Jack Kelly | m | 2023-11-10 | 2024-04-06 | 9 | DCU | 4x400m, 800m, Mixed 4x400m, Road |
| Jaime Kelly | m | 2020-03-07 | 2020-03-07 | 1 | LIT | XC |
| Jaime Kelly | m | 2022-03-05 | 2022-04-09 | 2 | LIT | 10000m, XC |
| James Kelly | m | 2019-02-08 | 2022-04-09 | 7 | LYIT | 35lbWfD, DT, SP |
| James Kelly | m | 2012-03-10 | 2012-03-10 | 1 | UCD | XC |
| James Kelly | m | 2014-02-07 | 2018-04-14 | 22 | DCU, IUAA | 35lbWfD, DT, HT, SP |
| Jamie Kelly | m | 2024-03-09 | 2024-04-06 | 2 | TUS | 10000m, XC |
| Joe Kelly | m | 1977-12-10 | 1978-03-04 | 2 | UCD | XC |
| John Kelly | m | 2015-02-06 | 2019-05-25 | 13 | Ireland, IUAA, LYIT | DT, SP |
| John Joe Kelly | m | 2016-02-12 | 2020-02-15 | 20 | Ireland, UCD | 35lbWfD, DT, SP |
| Kevin Kelly | m | 2014-11-15 | 2017-03-04 | 12 | DCU | 1500m, 3000m, Road, XC |
| Kieran Kelly | m | 2001-06-19 | 2001-06-19 | 1 | NI U23 | 800m |
| Kieran Kelly | m | 2010-04-23 | 2010-04-24 | 2 | ITB | 400m |
| Liam Kelly | m | 1996-02-09 | 1996-02-10 | 3 | GST | HJ, LJ, TJ |
| Liam Kelly | m | 1996-04-19 | 1996-04-20 | 3 | Carlow RTC | HJ, LJ, TJ |
| Luke Kelly | m | 2016-11-19 | 2016-11-19 | 1 | UCC | Road |
| Luke Kelly | m | 2024-04-05 | 2024-04-06 | 2 | UU | 1500m |
| M. Kelly | m | 1970-05-09 | 1970-05-09 | 4 | UCG | DT, SP |
| Malachy Kelly | m | 1997-12-12 | 1997-12-13 | 1 | IT Tralee | 2000mW |
| Malcolm Kelly | m | 1972-05-05 | 1975-05-03 | 8 | QUB | 100m, 200m |
| Martin Kelly | m | 1954-05-22 | 1958-05-18 | 12 | IUAA, UCG | DT, JTo, SP |
| Matthew Kelly | m | 2019-11-16 | 2019-11-16 | 1 | MU | Road |
| Nal Kelly | m | 2010-04-23 | 2010-04-24 | 1 | NUIM | 3000mSC |
| Neil Kelly | m | 2005-11-19 | 2005-11-19 | 1 | CIT | Road |
| Oisin Kelly | m | 2023-11-10 | 2024-04-06 | 9 | DCU | 4x400m, 600m, 800m, Mixed 4x400m, Road |
| P. Kelly | m | 1999-03-06 | 1999-03-06 | 1 | DKIT | XC |
| P. Kelly | m | 1974-05-03 | 1974-05-04 | 1 | NCPE | 400mH |
| P. Kelly | m | 1937-05-22 | 1937-05-22 | 1 | UCD | 880y |
| P. Kelly | m | 1983-03-12 | 1986-03-08 | 2 | UCC | XC |
| Ronan Kelly | m | 2023-01-28 | 2023-01-28 | 2 | QUB | 1500m |
| S. Kelly | m | 1982-03-06 | 1982-03-06 | 1 | TCE | XC |
| S. Kelly | m | 1983-03-12 | 1983-03-12 | 1 | TCD | XC |
| Sean Kelly | m | 2006-11-18 | 2006-11-18 | 1 | UL | Road |
| Thomas "Tom" Kelly | m | 1973-05-11 | 1974-05-15 | 5 | TCD | 100m, 200m, 4x100m |
| Tim Kelly | m | 1998-04-24 | 1998-04-25 | 1 | UL | JT |
| Andre Kemper | m | 2021-11-13 | 2021-11-13 | 1 | UG | Road |
| A. Kenna | m | 1958-07-28 | 1958-07-28 | 1 | UCD | JTo |
| Aiden Kenna | m | 1957-05-18 | 1957-05-18 | 1 | UCD | SP |
| Robert "Rob" Kennan | m | 1974-05-15 | 1974-05-15 | 2 | TCD | HJ, PV |
| Mark Kenneally | m | 2003-03-09 | 2004-02-28 | 5 | TCD | 5000m, 800m, XC |
| Naoise Kenneally | m | 2017-11-18 | 2018-11-17 | 3 | UCC | Road, XC |
| P. M. Kenneally | m | 1952-05-22 | 1954-05-22 | 2 | UCG | LJ |
| Alan Kennedy | m | 2005-06-07 | 2019-05-25 | 18 | Ireland, NI U23, North Down AC, UU | 4x100m, LJ, TJ |
| Alan Kennedy | m | 2005-11-19 | 2008-11-15 | 2 | UCC | Road |
| Austin Kennedy | m | 1998-04-24 | 2004-04-17 | 18 | DIT, GST | 35lbWfD, DT, HT, SP |
| Cathal Kennedy | m | 2006-11-18 | 2006-11-18 | 1 | TCD | Road |
| Cathal Kennedy | m | 2022-03-05 | 2024-04-06 | 4 | UL | 10000m, 4x400m, 800m, XC |
| Connor Kennedy | m | 2002-03-09 | 2002-03-09 | 1 | UL | XC |
| Conor Kennedy | m | 2002-04-19 | 2002-04-20 | 1 | UL | 800m |
| D. Kennedy | m | 1976-04-30 | 1976-05-01 | 1 | QUB | TJ |
| D. Kennedy | m | 1971-02-20 | 1971-02-20 | 1 | UCC | XC |
| Dan Kennedy | m | 1965-06-23 | 1965-06-23 | 1 | AAUE | 4x110y |
| David Kennedy | m | 2008-04-18 | 2008-04-19 | 1 | UCD | HJ |
| David Martin Kennedy | m | 1873-05-19 | 1873-05-19 | 4 | UCC | HT, LJ, SP, SPo |
| Edward Kennedy | m | 1995-12-16 | 1996-04-20 | 2 | UL | 800m, XC |
| F.D. Kennedy | m | 1934-05-26 | 1934-05-26 | 2 | UCD | 880y, Mile |
| Gordon Kennedy | m | 1998-12-11 | 2007-04-14 | 67 | AIT, GST, IT Carlow, IUAA | 100m, 200m, 400m, 4x100m, 60m |
| K.R. Kennedy | m | 1929-06-01 | 1929-06-01 | 1 | QUB | 120yH |
| Karl Kennedy | m | 2004-12-03 | 2005-04-23 | 9 | DCU | 100m, 200m, 4x100m, 60m |
| M. Kennedy | m | 1923-06-02 | 1923-06-02 | 1 | UCD | Mile |
| M. Kennedy | m | 1967-06-01 | 1968-05-11 | 3 | UCD | 220y, 4x110y |
| Michael Kennedy | m | 2004-04-16 | 2006-04-22 | 14 | GST, UCD | 200m, 400m, 4x100m, 4x200m, 4x400m |
| Michael Kennedy | m | 1985-05-03 | 1985-05-04 | 2 | UCC | DT, SP |
| Michael Gerard Kennedy | m | 1972-05-10 | 1976-05-11 | 10 | TCD, UCD | 110mH, 400mH, 4x100m, LJ, PV, TJ |
| P. Kennedy | m | 1933-07-10 | 1933-07-10 | 1 | The Rest | SP |
| Robbie Kennedy | m | 2016-05-28 | 2016-05-28 | 1 | SUCA | 5000m |
| Robert Kennedy | m | 2020-02-15 | 2020-02-15 | 2 | UCD | 1500m |
| Sean Kennedy | m | 2015-11-14 | 2022-03-05 | 13 | CIT | Road, XC |
| Stefan Kennedy | m | 2003-11-22 | 2004-02-28 | 2 | QUB | Road, XC |
| Stewart Kennedy | m | 1999-04-23 | 2002-04-20 | 26 | TCD | 110mH, 400m, 4x100m, 4x400m, CE, DT, HJ, JT, LJ, SP, TJ |
| William Kennedy | m | 2010-02-13 | 2010-02-13 | 3 | UL | 4x200m, 60m |
| Henry Kinmy Kennedy-Skipton | m | 1961-06-01 | 1965-06-22 | 7 | IUAA, TCD | 4x110y, JT, JTo |
| James Kennelly | m | 2023-01-28 | 2023-01-28 | 1 | UCD | PV |
| Paul Kennelly | m | 1955-05-19 | 1955-05-19 | 1 | UCG | LJ |
| M. Kennepick | m | 1928-06-02 | 1928-06-02 | 4 | UCC | 880y, DT, Mile, SP |
| Nigel Kennington | m | 2016-04-15 | 2018-04-14 | 7 | IUAA, UCD | 400mH, 4x400m |
| Samuel Kennon | m | 2003-11-22 | 2003-11-22 | 1 | TCD | Road |
| A. Kenny | m | 1971-05-22 | 1971-05-22 | 1 | SU | 110mH |
| Ciaran Kenny | m | 2009-04-24 | 2009-04-25 | 3 | UCC | 200m, 4x100m, 4x400m |
| Conor Kenny | m | 2018-11-17 | 2019-11-16 | 2 | TCD | Road |
| David Kenny | m | 2017-11-18 | 2022-04-09 | 8 | CIT | 2000mW, 3000mW, Road |
| Dermot Kenny | m | 2017-02-18 | 2018-03-10 | 6 | UCD | 4x400m, 800m, Road, XC |
| Eoin Kenny | m | 2019-02-08 | 2024-04-06 | 31 | UL | 200m, 400m, 4x100m, 4x200m, 4x400m, 600m, HT, JT, SP |
| Ferdia Kenny | m | 2012-04-20 | 2015-04-11 | 12 | UCD | 100m, 200m, 4x100m, 4x200m |
| Gavin Kenny | m | 2022-01-29 | 2024-04-06 | 15 | UCC | 1500m, 3000mSC, Road, XC |
| Ian Kenny | m | 1998-06-23 | 1999-04-24 | 2 | NI U23, UU | LJ |
| Ian Kenny | m | 2004-02-06 | 2006-04-22 | 3 | UU | 400m, 4x400m, LJ |
| John Kenny | m | 2023-11-10 | 2024-02-10 | 2 | UCD | 800m, Road |
| Michael Kenny | m | 2013-02-01 | 2013-04-13 | 4 | UG | 35lbWfD, DT, SP |
| Michael Kenny | m | 2015-02-06 | 2018-04-14 | 17 | IUAA, UCC | 35lbWfD, DT, HT, SP |
| Oren Kenny | m | 2022-03-05 | 2024-02-10 | 10 | TCD | 4x1000m, 4x400m, 800m, Mixed 4x400m, Road |
| Patrick A.M. Kenny | m | 1978-05-17 | 1981-05-13 | 3 | TCD | 100m, 200m |
| Ken Kensilla | m | 2002-12-06 | 2002-12-07 | 2 | IT Tallaght | 35lbWfD, SP |
| J. Kent | m | 1974-05-03 | 1974-05-04 | 1 | UCD | HT |
| F. Keogan | m | 1989-05-05 | 1989-05-06 | 1 | TCD | JT |
| Paul Keogan | m | 2016-04-15 | 2016-04-16 | 1 | GST | 400m |
| David Keogh | m | 2006-11-18 | 2006-11-18 | 1 | CIT | Road |
| David Keogh | m | 2011-11-12 | 2012-11-17 | 2 | UG | Road |
| Diarmait Keogh | m | 2022-03-05 | 2022-03-05 | 1 | LYIT | XC |
| E. Keogh | m | 1990-03-03 | 1990-03-03 | 1 | UCG | XC |
| E. Keogh | m | 1991-03-02 | 1991-03-02 | 1 | Carlow RTC | XC |
| Eric Keogh | m | 2013-02-01 | 2015-04-11 | 11 | UCD | 3000m, 5000m, Road, XC |
| K. Keogh | m | 1988-04-29 | 1988-04-30 | 1 | TCD | JT |
| Kieran Keogh | m | 1998-02-28 | 1998-02-28 | 1 | CIT | XC |
| Kieran Keogh | m | 1997-12-12 | 1997-12-13 | 3 | IT Tralee | 200m, 400m |
| M. Keogh | m | 1966-05-07 | 1966-05-07 | 1 | UCC | 220y |
| Pat Keogh | m | 1970-03-14 | 1970-05-09 | 3 | UCG | 800m, XC |
| Pat Keogh | m | 1970-12-12 | 1973-03-10 | 6 | UCD | 3 Miles, XC |
| Martin Keohane | m | 2017-11-18 | 2018-11-17 | 2 | UCC | Road |
| Tim Kering | m | 1999-04-23 | 1999-04-24 | 1 | UCC | 400m |
| D. Kerins | m | 1959-05-13 | 1959-05-13 | 1 | UCG | PV |
| John Kerins | m | 1993-04-23 | 1993-04-24 | 1 | DCU | 110mH |
| Tim Kerins | m | 1997-04-25 | 1999-04-24 | 11 | UCC | 200m, 3000mW, 400m, 4x100m, 4x200m, 4x400m |
| Eoghan Kerlin | m | 2002-12-06 | 2002-12-07 | 1 | QUB | HJ |
| D. Kernoghan | m | 1945-06-30 | 1945-06-30 | 2 | Combined Universities | DT, SP |
| Josh Kerr | m | 2014-05-31 | 2014-05-31 | 1 | SAL Select | 800m |
| Stuart Kerr | m | 2000-03-11 | 2000-03-11 | 1 | SU | XC |
| F. Kerrane | m | 1962-05-17 | 1962-05-17 | 1 | UCG | PV |
| Nicolas Kerrien | m | 2018-11-17 | 2018-11-17 | 1 | UCC | Road |
| Kevin Kerrigan | m | 2005-12-10 | 2005-12-11 | 1 | TCD | LJ |
| Kevin Kerrigan | m | 2010-02-13 | 2011-04-30 | 10 | TCD | 110mH, 60mH, CE, HJ, LJ, Road, SP |
| Dara Kervick | m | 2010-02-13 | 2015-04-11 | 24 | Carrick-On-Suir A.C., DCU | 200m, 400m, 4x100m, 4x200m, 4x400m, 60m |
| Dara Kervick | m | 2017-02-10 | 2017-02-10 | 2 | DCU | 400m |
| Rutiran Kesavan | m | 2018-02-09 | 2018-02-09 | 2 | DKIT | 200m, 60m |
| Kevin Kessler | m | 2013-11-23 | 2014-04-12 | 5 | TCD | 1500m, 400mH, Road |
| T. Keville | m | 1939-07-01 | 1939-07-01 | 1 | IUAA | SP |
| A. Keys | m | 1989-05-05 | 1989-05-06 | 1 | QUB | 3000mSC |
| Alan Keys | m | 1976-04-30 | 1976-05-01 | 2 | QUB | 800m, PV |
| I. Keys | m | 1976-04-30 | 1976-05-01 | 1 | QUB | 110mH |
| John Fleming Keys | m | 1967-05-05 | 1972-05-10 | 25 | IUAA, TCD | 110mH, 120yH, 3 Miles, 400mH, 440yH, 4x100m, 4x110y, HJ, TJ, XC |
| Ben Kiely | m | 2011-04-29 | 2011-04-30 | 2 | GST | 400mH |
| Ben Kiely | m | 2015-02-06 | 2016-04-16 | 5 | IT Sligo | 400m, 400mH |
| James Kiely | m | 2023-11-10 | 2024-02-10 | 2 | MTU | 800m, Road |
| John Kierans | m | 1994-01-21 | 1994-01-21 | 1 | Cork RTC | SP |
| John Kierans | m | 1993-02-12 | 1994-01-21 | 4 | DCU, GST | 60m, 60mH, LJ, SP |
| Jerry Kiernan | m | 1974-12-06 | 1977-06-14 | 3 | Ireland, UCD | 1500m, 3000m, XC |
| Jerry Kiernan | m | 1978-06-30 | 1978-06-30 | 1 | President's Select | 5000m |
| Kenneth Kiernan | m | 2005-04-22 | 2005-04-23 | 2 | DIT | 400m, 4x100m |
| Robert E. "Rob" Kiernan | m | 1973-05-11 | 1973-05-12 | 1 | TCD | HJ |
| Stephen Kiernan | m | 2023-04-21 | 2024-04-06 | 2 | DCU | 400mH |
| Eoin Kilbride | m | 2010-11-13 | 2010-11-13 | 1 | TCD | Road |
| Richard Kilcogue | m | 2006-04-21 | 2006-04-22 | 2 | GST | 200m, 4x100m |
| Tom Kilcoyne | m | 1958-07-28 | 1961-06-01 | 12 | IUAA, UCD | 100y, 120yH, 220y, 4x110y, LJ, TJ |
| Karl Kildea | m | 2002-11-16 | 2005-02-26 | 9 | UL | 10000m, 1500m, 5000m, Road, XC |
| Michael Kileen | m | 1982-03-06 | 1983-03-12 | 2 | SPM | XC |
| Andy Kilfeather | m | 1960-05-15 | 1961-05-14 | 5 | NACA | 100y, 220y, 4x110y |
| Daniel Kilgallon | m | 2001-12-07 | 2001-12-08 | 1 | GST | 200m |
| Peter Kilgannon | m | 2018-02-09 | 2023-04-22 | 23 | Ireland, UCD | 4x200m, 4x400m, 800m, Road |
| B. Killeen | m | 1989-05-05 | 1989-05-06 | 1 | UCC | 10000m |
| David Killeen | m | 2012-02-04 | 2013-02-01 | 17 | UL | 100m, 200m, 4x100m, 4x200m, 60m |
| Michael Killeen | m | 1985-05-03 | 1985-05-04 | 1 | UCG | 5000m |
| Michael A. "Mike" Killeen | m | 1988-04-29 | 1989-03-04 | 2 | TCD | 1500m, XC |
| Michael Killen | m | 1993-03-06 | 1993-03-06 | 1 | TCD | XC |
| P. Killende | m | 1982-04-30 | 1982-05-01 | 1 | UCD | HJ |
| P. Kilmead | m | 1982-05-12 | 1982-05-12 | 1 | UCD | HJ |
| J.M. Kilpatrick | m | 1924-05-31 | 1924-05-31 | 1 | QUB | LJ |
| John Kilpatrick | m | 1969-05-03 | 1970-05-09 | 6 | QUB | 100m, 100y, 4x100m, 4x110y, HJ |
| William A. "Willie" Kilpatrick | m | 1969-05-03 | 1969-05-03 | 1 | QUB | HJ |
| Keelan Kilrehill | m | 2019-11-16 | 2023-03-04 | 10 | DCU | 1500m, 3000m, 5000m, Road, XC |
| Andrew Kinane | m | 2003-11-22 | 2004-11-20 | 3 | DCU | Road, XC |
| Jack Kinane | m | 2024-02-10 | 2024-04-06 | 8 | UCD | 100m, 200m, 4x100m, 4x200m, 60m |
| Albert Kindregan | m | 1978-05-17 | 1981-05-13 | 9 | UCD | 1500m, PV, SP, XC |
| A. King | m | 1999-03-06 | 1999-03-06 | 1 | DKIT | XC |
| Adam King | m | 2016-02-12 | 2019-04-06 | 9 | DCU, IUAA | 35lbWfD, HT |
| Dan King | m | 2011-11-12 | 2013-04-13 | 17 | UCD | 1000m, 1500m, 4x200m, 4x400m, 800m, Road, XC |
| Dylan King | m | 2023-01-28 | 2024-04-06 | 8 | UCD | 2000mW, 35lbWfD, 400mH, 4x400m, SP |
| E. King | m | 1969-03-01 | 1973-03-10 | 3 | QUB | XC |
| Eddie King | m | 1993-06-22 | 1997-06-24 | 6 | NI U20, NI U23 | 1500m, 400m, 800m |
| Eoin King | m | 2005-04-22 | 2007-04-14 | 10 | DIT | 1500m, 400m, 4x100m, 4x400m, 800m, Road, XC |
| G. King | m | 1977-05-06 | 1977-05-07 | 1 | UCG | HT |
| James King | m | 2005-04-22 | 2005-04-23 | 1 | UCD | 200m |
| James King | m | 2005-11-19 | 2008-03-08 | 10 | DCU | 1500m, 4x400m, 800m, Road, XC |
| Shane King | m | 1998-04-24 | 1998-04-25 | 2 | UU | 200m |
| Leon King Abor | m | 2023-04-21 | 2024-03-09 | 4 | TUD | 4x100m, 60m, Road, XC |
| John Miles Kingsmill Moore | m | 1951-05-26 | 1951-05-26 | 1 | TCD | 100y |
| Neville George Kingston | m | 1975-05-21 | 1975-05-21 | 1 | TCD | 400m |
| Wesley Kingston | m | 1994-06-28 | 1994-06-28 | 2 | NI U20 | 110mH, 400mH |
| Samuel Kinirons | m | 2013-11-23 | 2015-11-14 | 7 | TCD | 1500m, Road, XC |
| William J. "Billy" Kinlan | m | 1964-05-30 | 1965-06-23 | 4 | AAUE | 100y, 220y, 4x110y |
| P. Kinney | m | 1984-05-04 | 1984-05-05 | 1 | QUB | HJ |
| Ben Kinsella | m | 1990-03-03 | 1991-03-02 | 2 | UCG | XC |
| Colm Kinsella | m | 2013-02-01 | 2013-04-13 | 2 | WIT | 400m, 800m |
| John Kinsella | m | 2000-04-14 | 2004-04-17 | 23 | UCD | 110mH, 200m, 400m, 400mH, 4x200m, 60mH, CE, HJ, JT, LJ, PV, SP, XC |
| Lorcan Kinsella | m | 2002-04-19 | 2007-04-14 | 29 | DIT, IUAA, UCD | 100m, 200m, 400m, 4x100m, 4x200m, 4x400m, 60m, HT, Road |
| Patrick Kinsella | m | 2015-11-14 | 2015-11-14 | 1 | UCD | Road |
| Sean Kinsella | m | 2023-11-10 | 2023-11-10 | 1 | MU | Road |
| William Kinsella | m | 2021-11-13 | 2024-04-06 | 4 | TCD | 3000mSC, Road, XC |
| M. Kirby | m | 1921-06-04 | 1921-06-04 | 3 | UCD | DT, HJ, SP |
| Michael J. "Mick" Kirby | m | 1963-05-19 | 1964-05-31 | 15 | IUAA, UCD | 100y, 220y, 440y, 4x100y, 4x110y |
| Timothy "Tim" Kirby | m | 1922-06-10 | 1926-06-05 | 9 | UCD | DT, HJ, SP |
| Alan Kirk | m | 1988-04-29 | 1988-04-30 | 2 | UU | 100m, 200m |
| Chris Kirk | m | 1995-06-20 | 1997-06-24 | 3 | NI U23 | HT |
| Conall Kirk | m | 2012-07-18 | 2012-07-18 | 1 | Lagan Valley AC | 800m |
| Conall Kirk | m | 2018-11-17 | 2021-11-13 | 5 | QUB | 1500m, Road |
| D. Kirk | m | 1988-04-29 | 1988-04-30 | 1 | UU | JT |
| H.H. Kirk | m | 1939-07-01 | 1939-07-01 | 1 | IUAA | 440y |
| Katie Kirk | m | 2012-07-18 | 2012-07-18 | 1 | Lagan Valley AC | 200m |
| Mark Kirk | m | 1983-03-12 | 1985-05-04 | 5 | QUB | 1500m, 800m, XC |
| Adam Kirk-Smith | m | 2023-04-21 | 2023-04-22 | 1 | QUB | 3000mSC |
| Colm Kirke | m | 2015-11-14 | 2016-11-19 | 3 | UG | 3000m, Road |
| Colm Kirke | m | 2017-02-10 | 2020-03-07 | 9 | UG | 10000m, 3000m, 5000m, Road, XC |
| K. Kirkham | m | 1989-05-05 | 1989-05-06 | 2 | TCD | 400mH |
| Robert J.R. "Ron" Kirkham | m | 1961-06-01 | 1963-05-22 | 11 | TCD | 100y, 220y, 4x100y, 4x110y |
| Charles J. "C.J." Kirkpatrick | m | 1969-05-03 | 1977-05-07 | 23 | IUAA, QUB | 100m, 110mH, 120yH, 400mH, 4x100m, 4x110y, LJ |
| Ivan Kirkpatrick | m | 1972-05-05 | 1976-05-01 | 7 | QUB | 110mH, 400mH, 800m, PV |
| William Kirkpatrick | m | 1998-06-23 | 1998-06-23 | 2 | NI U23 | DT, SP |
| William A. "Willie" Kirkpatrick | m | 1972-05-05 | 1977-05-07 | 9 | QUB | 100m, 200m, HJ, LJ |
| Barry Kirwan | m | 2011-02-05 | 2012-04-21 | 8 | DCU | 35lbWfD, JT, SP |
| Brian Kirwan | m | 2016-02-12 | 2016-05-28 | 4 | IT Carlow, IUAA | 3000m, 3000mSC |
| Cillian Kirwan | m | 2018-11-17 | 2021-11-13 | 10 | UCC | 4x200m, 800m, Road, XC |
| Cillian Kirwan | m | 2014-11-15 | 2017-02-10 | 8 | DCU | 1500m, 800m, Road |
| Conor Kirwan | m | 2006-12-02 | 2008-04-19 | 6 | UCD | 400mH, 60mH, HJ |
| Dylan Kirwan | m | 2017-02-10 | 2020-02-15 | 9 | MU | 400m, 400mH, 800m, Road, XC |
| J. Kirwan | m | 1977-05-06 | 1979-05-05 | 4 | NCPE, TCE | 400m, 800m, XC |
| John Kirwan | m | 2002-04-19 | 2004-04-17 | 6 | WIT | 1500m, 5000m |
| Mark Kirwan | m | 2004-11-20 | 2007-04-14 | 12 | TCD | 1500m, 3000m, 3000mSC, 5000m, Road, XC |
| Mark Kirwan | m | 2008-11-15 | 2009-11-14 | 3 | UCD | 3000mSC, Road |
| Rory Kirwan | m | 2012-04-20 | 2015-04-11 | 2 | UU | JT |
| F. Kirwin | m | 1989-03-04 | 1989-03-04 | 1 | UCC | XC |
| Dermot Kissane | m | 1975-03-08 | 1976-03-06 | 2 | UCC | XC |
| Rainer Kistner | m | 1996-02-09 | 1996-02-10 | 2 | DCU | 800m |
| Patrick Kiwitt | m | 2013-11-23 | 2014-04-12 | 6 | ITB | 200m, 4x200m, LJ, Road |
| Brian E Klock | m | 1978-06-30 | 1978-06-30 | 1 | Cornell-Pennsylvania | TJ |
| D.A.C. Knight | m | 1928-06-02 | 1928-06-02 | 1 | QUB | DT |
| Jordan Knight | m | 2022-01-29 | 2024-04-06 | 31 | DCU | 110mH, 400mH, 60mH, CE, HJ, LJ, SP, TJ |
| Harold E. Knott | m | 1924-05-31 | 1928-06-02 | 6 | TCD | DT, SP |
| Raymond "Ray" Knox | m | 1970-05-09 | 1971-05-08 | 11 | QUB | 110mH, 400mH, 4x100m, DT, HJ, JTo, PV, TJ |
| Tony Knox | m | 1998-04-24 | 1998-05-02 | 3 | UL | 400mH, CE |
| Michael Koenig | m | 2005-11-19 | 2005-11-19 | 1 | TCD | Road |
| Tobias Koethke | m | 2023-03-04 | 2023-03-04 | 1 | UCC | XC |
| Christian Kolb | m | 2017-04-07 | 2017-04-08 | 2 | UCD | 110mH |
| Filip Kolodziej | m | 2022-03-05 | 2022-04-09 | 2 | UG | 3000mSC, XC |
| Cole Kopacik | m | 2004-02-28 | 2004-02-28 | 1 | UCC | XC |
| Scott Koronka | m | 2002-06-18 | 2002-06-18 | 1 | SU | 400m |
| Tomoyoshi Kosaka | m | 2010-03-13 | 2010-03-13 | 1 | DCU | XC |
| Felix Koschmieder | m | 1999-11-13 | 2000-04-15 | 10 | TCD | 110mH, CE, HJ, JT, LJ, PV, Road, SP, XC |
| Kieran Kothari | m | 2014-02-22 | 2014-02-22 | 1 | TCD | XC |
| Ahmed Koura | m | 2010-02-13 | 2012-02-04 | 10 | WIT | 100m, 200m, 4x100m, 4x200m, 60m, LJ |
| Marek Koznar | m | 2012-03-10 | 2012-03-10 | 1 | CIT | XC |
| Tomasz Krawczyk | m | 2018-02-09 | 2019-04-06 | 5 | CIT | 1500m, 4x400m, XC |
| Chris Krievs | m | 1993-06-22 | 1993-06-22 | 2 | SU | 200m, 400m |
| Birger Kristiansen | m | 1972-05-05 | 1976-05-01 | 14 | RCSI | DT, HT, JTo, SP |
| Erik Krogstad | m | 1970-05-09 | 1970-05-09 | 1 | RCSI | 200m |
| Gregory Kroleski | m | 2006-11-18 | 2006-11-18 | 1 | UL | Road |
| Vithun Krshna Jayaraman | m | 2018-02-09 | 2018-02-09 | 2 | DKIT | LJ, TJ |
| Larry Kruse | m | 1962-06-06 | 1962-06-06 | 1 | NACA | 440y |
| Marcin Krzykowski | m | 2017-11-18 | 2017-11-18 | 1 | MU | Road |
| Marcin Kuklewski | m | 2011-11-12 | 2011-11-12 | 1 | UL | Road |
| Ashinwee Kumar | m | 2016-11-19 | 2017-04-08 | 2 | TCD | JT, Road |
| C. Kyaruzi | m | 1971-05-22 | 1971-05-22 | 1 | SU | 100m |
| Sean Kyne | m | 2016-02-12 | 2016-02-12 | 1 | UG | 200m |
| Nadislane Kabongo | f | 2022-04-08 | 2023-04-22 | 2 | UCD | 100m, 200m |
| Jona Kalemi | f | 2017-03-04 | 2018-04-14 | 3 | DCU | 1500m, XC |
| Jona Kalemi | f | 2012-03-10 | 2013-03-09 | 4 | DCU | 1500mW, 5000m, XC |
| Sylvia Kamya | f | 2013-06-01 | 2013-06-01 | 2 | SU | 400mH, TJ |
| Christine Kan | f | 2016-11-19 | 2016-11-19 | 1 | UCD | Road |
| Ann-Marie Kane | f | 2005-11-19 | 2011-03-12 | 22 | UU | 1500mW, 3000m, 3000mSC, LJ, PV, Road, TJ, XC |
| L. Kane | f | 1979-03-17 | 1979-05-23 | 2 | UCD | JT, XC |
| Chanda Kapande | f | 1998-06-23 | 2001-06-19 | 6 | NI U23 | DT, HT, SP |
| Elizabeth Kashley | f | 1973-03-10 | 1973-03-10 | 1 | UCD | XC |
| Aimee Kavanagh | f | 2013-04-12 | 2013-04-13 | 1 | IT Carlow | 4x100m |
| Fiona Kavanagh | f | 2010-02-13 | 2010-04-24 | 2 | WIT | 800m |
| Fiona Kavanagh | f | 2016-11-19 | 2016-11-19 | 1 | UCC | Road |
| Laura Kavanagh | f | 2014-04-11 | 2017-02-10 | 17 | UL | 4x100m, 4x200m, DT, JT, LJ, SP, TJ |
| Pauline Kavanagh | f | 1998-02-28 | 1999-04-24 | 4 | WIT | 3000m, 4x400m, 5000m, XC |
| Sallyanne Kavanagh | f | 2001-12-07 | 2001-12-08 | 1 | UG | 1500m |
| Siobhan Kavanagh | f | 1989-03-04 | 1989-05-06 | 2 | TCE | 1500m, XC |
| Abigail Kaye | f | 2019-03-02 | 2019-03-02 | 1 | UL | XC |
| Aisling Keady | f | 2018-02-09 | 2018-02-09 | 1 | UG | LJ |
| Aisling Keady | f | 2019-04-05 | 2019-04-06 | 2 | UG | HJ, LJ |
| Annette Kealy | f | 1989-03-04 | 1995-06-17 | 8 | DCU, Dublin, TCE | 1500m, 3000m, XC |
| Daena Kealy | f | 2019-02-08 | 2024-02-10 | 5 | DCU | HJ |
| Lauryn Kealy | f | 2017-11-18 | 2017-11-18 | 1 | DCU | Road |
| Annette Keane | f | 1993-03-06 | 1997-02-01 | 7 | UL | 10000m, Road, XC |
| Fionnuala Keane | f | 1997-02-01 | 2000-04-15 | 14 | IUAA, Queen's Select, UCG, UG | 1500m, 3000m, 5000m, Road, XC |
| Gillian Keane | f | 1999-03-06 | 1999-03-06 | 1 | UCD | XC |
| Helen Keane | f | 1994-04-22 | 1994-04-23 | 1 | DIT | LJ |
| Laura Keane | f | 2004-11-20 | 2007-02-24 | 4 | UG | Road, XC |
| Lorraine Keane | f | 2000-02-26 | 2000-02-26 | 1 | DCU | XC |
| Mary Keane | f | 2007-02-24 | 2007-02-24 | 1 | UL | XC |
| N. Keane | f | 1986-03-08 | 1986-03-08 | 1 | UCG | XC |
| S. Keane | f | 1992-04-24 | 1992-04-25 | 1 | UCG | 100mH |
| Siobhán Keane | f | 1997-02-01 | 2000-03-11 | 2 | Dublin Colleges, UCG | XC |
| Siobhan Keane | f | 1999-11-13 | 2001-02-24 | 5 | GST, NUIM | 3000m, Road, XC |
| Siobhán Keane | f | 1999-04-23 | 1999-04-24 | 2 | UU | 100mH |
| Siobhan Keane | f | 1995-04-21 | 1995-04-22 | 1 | TCD | 100mH |
| Verena Mary "Vera" Keane | f | 1977-03-12 | 1982-03-06 | 13 | TCD | 100mH, 400m, 4x400m, SP, XC |
| Patricia Keany | f | 1982-03-06 | 1982-03-06 | 1 | UCD | XC |
| Edith Kearney | f | 1998-12-11 | 1999-04-24 | 4 | DCU | 1500m, 3000m, 4x100m |
| J. Kearney | f | 1981-03-07 | 1981-03-07 | 1 | UCD | XC |
| Jacinta Kearney | f | 1982-03-06 | 1982-03-06 | 1 | UCG | XC |
| Lauren Kearney | f | 2023-11-10 | 2024-04-06 | 7 | TCD | 1500m, 1500mW, 3000m, Road, XC |
| N. Kearney | f | 1989-05-05 | 1989-05-06 | 1 | TCE | 100m |
| Ruth Kearney | f | 2006-11-18 | 2007-02-24 | 2 | UG | Road, XC |
| Ruth Kearney | f | 1988-03-05 | 1989-03-04 | 2 | SPM | XC |
| Bronagh Kearns | f | 2017-11-18 | 2017-11-18 | 1 | UCD | Road |
| A. Keating | f | 1978-03-04 | 1978-03-04 | 1 | TCD | XC |
| Eleanor Keating | f | 1988-03-01 | 1988-03-01 | 1 | UCD | XC |
| Mary Keating | f | 1967-02-18 | 1968-05-11 | 4 | UCG | 880y, LJ, XC |
| N. Keating | f | 1968-05-11 | 1968-05-11 | 1 | UCG | 880y |
| Sharon Keating | f | 1999-04-23 | 1999-04-24 | 1 | UL | SP |
| Adrienne Margaret Keaveney | f | 1981-05-13 | 1982-05-12 | 4 | TCD | 100mH, DT, HJ, SP |
| Ailish Keaveney | f | 1998-12-11 | 1999-04-24 | 3 | UL | 100m, 60m |
| Edel Keaveney | f | 2001-11-07 | 2001-11-07 | 1 | UCC | Road |
| Carol Kedney | f | 1995-06-17 | 1995-06-17 | 1 | Dublin | 200m |
| Annie Keegan | f | 1998-04-24 | 1998-04-25 | 2 | UL | DT, JTo |
| Erica Keegan | f | 2014-11-15 | 2014-11-15 | 1 | TCD | Road |
| Fiona Keegan | f | 1994-01-21 | 1996-12-14 | 12 | DIT, GST | 200m, 400m, 60m |
| Rosemary Keegan | f | 1985-05-03 | 1985-05-04 | 2 | TCE | 400mH, DT |
| Annette Keely | f | 1994-02-19 | 1994-02-19 | 1 | GST | XC |
| Jane Keenan | f | 2005-11-19 | 2005-11-19 | 1 | TCD | Road |
| Tracey Keenan | f | 2012-04-20 | 2012-04-21 | 1 | AIT | SP |
| Rachel Keenan Dillon | f | 2022-01-29 | 2022-04-09 | 4 | MU | 100m, 4x100m, 60m, HJ |
| Karen Keeshan | f | 1999-04-23 | 1999-04-24 | 3 | UCC | 100m, 200m, LJ |
| Fiona Kehoe | f | 2008-11-15 | 2009-04-25 | 6 | UL | 12, 4, 8, 16, 4x200m, 800m, Road |
| Maura Kehoe | f | 1999-11-13 | 1999-11-13 | 1 | UCC | Road |
| Michelle Kehoe | f | 2004-11-20 | 2004-11-20 | 1 | DCU | Road |
| Sinead Kehoe | f | 1997-12-12 | 2002-04-20 | 27 | IUAA, TCD | 4x100m, 4x200m, 60m, DT, HT, JT, JTo, SP |
| Susan Kehoe | f | 1995-12-16 | 2000-04-15 | 22 | CIT, Cork RTC, Queen's Select, UCC | 10000m, 100mH, 1500m, 3000m, 4x100m, 4x200m, 4x400m, 5000m, 800m, CE, HJ, Road, XC |
| Susan Kehoe | f | 2001-04-07 | 2001-04-07 | 1 | UU | XC |
| Nicole Kehoe Dowling | f | 2018-02-09 | 2022-04-09 | 7 | DCU | DT, JT, SP |
| Catherine Keily | f | 2008-04-18 | 2009-04-25 | 2 | TCD | 5000m |
| Roisin Kellegher | f | 2023-04-21 | 2023-04-22 | 1 | DCU | HJ |
| Caoimhe Kelleher | f | 2021-11-13 | 2023-11-10 | 5 | UG | 1500m, 4x1000m, Road |
| Fiona Kelleher | f | 1996-02-09 | 1997-04-26 | 4 | UL | HT, LJ, TJ |
| K. Kelleher | f | 1978-03-04 | 1978-03-04 | 1 | UCG | XC |
| Olivia Kelleher | f | 1994-04-22 | 1999-04-24 | 14 | GST, IUAA, UL | DT, HT, SP |
| Roisin Kelleher | f | 2014-03-08 | 2015-03-07 | 2 | CIT | XC |
| Chelsea Kellett | f | 2003-06-10 | 2003-06-10 | 1 | NI U23 | HT |
| C. Kelliher | f | 1976-04-30 | 1976-05-01 | 1 | UCC | HJ |
| Paula Kelliher | f | 1998-12-11 | 1999-04-24 | 5 | UCD | 200m, LJ, PV |
| Janet Kellock | f | 1985-05-03 | 1987-05-09 | 5 | UU | DT, JTo, SP, XC |
| Aisling Kelly | f | 2017-11-18 | 2017-11-18 | 1 | UCC | Road |
| Aisling Kelly | f | 2018-02-09 | 2021-11-13 | 15 | Ireland, UCC | 1500m, 4x400m, Road, XC |
| Aisling Kelly | f | 2022-01-29 | 2024-04-06 | 15 | UCD | 100m, 200m, 4x100m, 4x200m, 60m, LJ |
| Alannah Kelly | f | 2023-01-28 | 2023-01-28 | 1 | UCC | PV |
| Anne Catherine Kelly | f | 1988-03-01 | 1988-03-01 | 1 | TCD | XC |
| Avril Kelly | f | 2000-12-01 | 2001-04-21 | 7 | CIT | 100m, 200m, 60m |
| C. Kelly | f | 1976-03-06 | 1976-03-06 | 1 | SPM | XC |
| C. Kelly | f | 1989-05-05 | 1989-05-06 | 1 | UU | DT |
| Caroline Kelly | f | 2004-12-03 | 2004-12-04 | 2 | UL | 60m |
| Catherine Kelly | f | 2010-03-13 | 2012-03-10 | 4 | UL | 1500m, XC |
| D. Kelly | f | 1967-05-05 | 1968-05-11 | 2 | QUB | 100y, LJ |
| Dawn Kelly | f | 2002-12-06 | 2009-04-25 | 65 | IUAA, UCC | 100m, 12, 4, 8, 16, 200m, 400m, 400mH, 4x100m, 4x200m, 4x400m, 800m, LJ, Road, TJ, XC |
| Deirdre Kelly | f | 1997-12-12 | 1999-04-24 | 11 | UCD | 100m, 200m, 4x100m, 4x400m, HJ |
| E. Kelly | f | 1989-05-05 | 1989-05-06 | 2 | UCG | 100m, 200m |
| Eileen Kelly | f | 1998-12-11 | 2001-04-21 | 16 | CIT, IUAA | 4x100m, 4x200m, 60m, DT, HT, JT, SP |
| Elaine Kelly | f | 1974-05-03 | 1977-05-07 | 11 | UCC | 200m, 400m, 800m, XC |
| Eleanor Kelly | f | 2001-11-07 | 2002-12-07 | 4 | TCD | 1500mW, Road |
| Elish Kelly | f | 2002-11-16 | 2003-11-22 | 11 | IUAA, TCD | 1500mW, 3000m, 5000m, Road, XC |
| Emma Kelly | f | 2015-04-10 | 2016-02-12 | 3 | DIT | 400m |
| Emma Kelly | f | 2019-02-08 | 2022-04-09 | 8 | UL | 20lbWfD, DT, SP |
| F. Kelly | f | 1988-04-29 | 1991-05-04 | 6 | TCE | 100m, 100mH, 1500m, HJ |
| Gráinne Kelly | f | 1997-12-12 | 1999-04-24 | 9 | Carlow RTC, IT Carlow, IUAA | LJ, TJ |
| Gráinne Kelly | f | 2017-03-04 | 2017-04-08 | 2 | UG | 3000m, XC |
| Gráinne Kelly | f | 2018-03-10 | 2018-03-10 | 1 | UG | XC |
| J. Kelly | f | 1968-05-11 | 1968-05-11 | 3 | QUB | 100y, 220y, HJ |
| Jacinta Kelly | f | 1997-12-12 | 1997-12-13 | 1 | Carlow RTC | 1500mW |
| Julianne Kelly | f | 1999-12-03 | 2000-04-15 | 7 | UCD | 100m, 200m, 4x200m |
| Karla Kelly | f | 2022-11-11 | 2023-11-10 | 2 | TCD | Road |
| Kate-Ann Kelly | f | 1998-12-11 | 2001-04-21 | 17 | UCD | 1500mW, 4x200m, HJ, LJ, TJ |
| Kathryn Kelly | f | 1999-12-03 | 2003-03-09 | 7 | DCU | 1500mW, XC |
| Lisa Kelly | f | 2010-02-13 | 2013-02-01 | 8 | DCU | JT, LJ, TJ |
| Lisa Kelly | f | 2016-02-12 | 2017-05-27 | 13 | AIT, IUAA | 400mH, 4x100m, 4x200m, LJ, PV, TJ |
| Lisa Kelly | f | 2019-04-05 | 2019-04-06 | 1 | AIT | JT |
| Louise Kelly | f | 1979-05-04 | 1981-05-02 | 6 | TCE | 100m, HJ, LJ |
| M. Kelly | f | 1980-05-02 | 1980-05-03 | 1 | TCE | 100m |
| M. Kelly | f | 1979-03-17 | 1979-03-17 | 1 | UCG | XC |
| Michelle Kelly | f | 2001-11-07 | 2001-11-07 | 1 | UCD | Road |
| Niamh Kelly | f | 1997-12-12 | 1999-04-24 | 11 | UL | 100mH, 400mH, CE, LJ, SP, TJ, XC |
| Niamh Kelly | f | 1999-03-06 | 1999-03-06 | 1 | UG | XC |
| Niamh Kelly | f | 2017-11-18 | 2020-03-07 | 6 | DCU | 5000m, Road, XC |
| Noelle Kelly | f | 1997-02-01 | 1997-02-01 | 1 | UCG | XC |
| Olive Kelly | f | 1995-12-16 | 1995-12-16 | 1 | TCD | XC |
| Olivia Kelly | f | 1997-02-01 | 1997-02-01 | 1 | DIT | XC |
| Orla Kelly | f | 1992-03-07 | 1992-03-07 | 1 | UL | XC |
| Ria Kelly | f | 2024-02-10 | 2024-04-06 | 7 | TUD | 100m, 200m, 4x100m, 4x200m, 60m |
| Sarah Kelly | f | 2019-03-02 | 2020-03-07 | 4 | UCD | 5000m, Road, XC |
| Sarah Kelly | f | 2022-03-05 | 2022-03-05 | 1 | TCD | XC |
| Sarah Kelly | f | 2000-12-01 | 2003-04-26 | 16 | UG | 100mH, 400mH, 4x100m, 4x200m, 60mH, LJ |
| Shannon Kelly | f | 2022-04-08 | 2022-04-09 | 1 | UL | 5000m |
| Sinead Kelly | f | 2018-04-13 | 2018-04-14 | 1 | TCD | 20lbWfD |
| Sinead Kelly | f | 1998-04-24 | 2000-04-15 | 5 | IUAA, UCD | DT, JT, JTo |
| Sinead Kelly | f | 2009-02-14 | 2010-04-24 | 11 | DCU | 400m, 4x200m, 4x400m, 800m, Road |
| Sinead Kelly | f | 2014-02-07 | 2016-11-19 | 10 | TCD | 4x200m, 4x400m, 800m, Road, TJ, XC |
| Tara Kelly | f | 2004-02-28 | 2004-02-28 | 1 | UG | XC |
| Mary Kenneally | f | 2009-11-14 | 2012-04-21 | 11 | CIT | 100m, 200m, 4x100m, 4x400m, HJ, HT, Road, SP, XC |
| Cara Kennedy | f | 2011-04-29 | 2011-04-30 | 1 | GST | HT |
| Claire Kennedy | f | 2017-04-07 | 2017-04-08 | 1 | DCU | 1500mW |
| Claire Kennedy | f | 2024-02-10 | 2024-04-06 | 3 | ATU | 20lbWfD, DT, HT |
| Elaine Kennedy | f | 2009-11-14 | 2009-11-14 | 1 | UL | Road |
| Fionnuala Mary Kennedy | f | 1980-05-02 | 1984-05-05 | 10 | TCD | 100m, 4x100m, HJ, SP |
| Laura Kennedy | f | 1999-12-03 | 1999-12-04 | 2 | UCD | 1500mW, 3000m |
| M. Kennedy | f | 1974-05-15 | 1976-05-11 | 3 | UCD | 100m, 4x100m |
| Marie Kennedy | f | 1990-03-03 | 1990-03-03 | 1 | QUB | XC |
| Olwen Kennedy | f | 2012-11-17 | 2016-11-19 | 6 | UL | 3000m, 4x400m, 800m, Road, XC |
| Orla Kennedy | f | 2010-11-13 | 2010-11-13 | 1 | TCD | Road |
| Ruth Kennedy | f | 2021-09-26 | 2022-04-09 | 4 | DCU | 5000m, Road, XC |
| Sophie Kennedy | f | 2009-04-24 | 2011-04-30 | 9 | NUIM | 100m, 200m, 60m |
| Susie Kennedy | f | 2017-02-10 | 2017-04-08 | 5 | WIT | 100m, 200m, 4x200m, 60m |
| Suzanne Kennedy | f | 2004-11-20 | 2005-04-23 | 3 | UCC | 1500m, Road, XC |
| Vanessa Kennedy | f | 1996-06-25 | 1998-06-23 | 4 | NI U23 | HJ, LJ |
| Suzanne Kennedy O'Shea | f | 2014-11-15 | 2014-11-15 | 1 | UCC | Road |
| Christine Kennelly | f | 2004-11-20 | 2006-03-04 | 5 | TCD | 3000m, Road, XC |
| Ciara Kennelly | f | 2022-01-29 | 2024-04-06 | 6 | DCU | HJ, LJ |
| Kelly Kenney | f | 2013-11-23 | 2015-03-07 | 5 | TCD | Road, XC |
| Sonya Kenney | f | 1993-02-12 | 1993-02-12 | 1 | UCD | 800m |
| Ciara Kenny | f | 1998-02-28 | 1998-02-28 | 1 | TCD | XC |
| Corrine Kenny | f | 2022-01-29 | 2022-11-11 | 2 | DCU | 1500m, Road |
| D Kenny | f | 1995-06-17 | 1995-06-17 | 1 | Dublin | LJ |
| L. Kenny | f | 1989-05-05 | 1989-05-06 | 1 | UCD | 1500mW |
| Nicole Kenny | f | 2014-11-15 | 2015-04-11 | 3 | DCU | 5000m, Road, XC |
| Nicole Kenny | f | 2018-11-17 | 2019-03-02 | 2 | TCD | Road, XC |
| S. Kenny | f | 1988-04-29 | 1988-04-30 | 2 | UCD | 100mH, 400mH |
| Bronwyn Keogh | f | 2016-02-12 | 2017-04-08 | 6 | DCU | 200m, 4x100m, 4x200m |
| Bronywn Keogh | f | 2015-04-10 | 2015-04-11 | 1 | DCU | 4x100m |
| Kate Keogh | f | 2023-04-21 | 2023-04-22 | 1 | MU | SP |
| Paula Keohan | f | 1999-03-06 | 1999-04-24 | 3 | UL | 1500mW, 3000m, XC |
| Catherine Keohane | f | 2005-04-22 | 2005-04-23 | 1 | CIT | 1500m |
| D. Keohane | f | 1986-03-08 | 1986-03-08 | 1 | UCC | XC |
| Elaine Kerin | f | 1998-04-24 | 1998-12-12 | 4 | UL | 100m, 4x200m, 60m |
| A. Kerr | f | 1989-05-05 | 1989-05-06 | 3 | QUB | DT, JT, SP |
| Aine Kerr | f | 2020-02-15 | 2020-02-15 | 1 | LYIT | LJ |
| Alisha Kerr | f | 2022-01-29 | 2022-04-09 | 3 | IT Sligo | 200m, 400m, 400mH |
| Alisha Kerr | f | 2024-02-10 | 2024-02-10 | 2 | ATU | 200m, 60m |
| D. Kerr | f | 1990-04-27 | 1990-04-28 | 1 | QUB | 400m |
| Hilary Kerr | f | 2011-02-05 | 2012-04-21 | 8 | RCSI | 60m, LJ, Road |
| J. Kerr | f | 1983-03-12 | 1983-03-12 | 1 | NUU | XC |
| Laura Kerr | f | 2002-06-18 | 2007-04-14 | 19 | IUAA, NI U23, UU | 20lbWfD, DT, JT, SP |
| Stacey Kerr | f | 2016-02-12 | 2016-02-12 | 1 | UCD | 60m |
| A. Kerry | f | 1977-03-12 | 1977-03-12 | 1 | SPM | XC |
| Annie Kesseler | f | 2004-11-20 | 2004-11-20 | 1 | UCC | Road |
| Caitlin Ketelaar | f | 2005-06-07 | 2005-06-07 | 1 | NI U23 | JT |
| Mary Kettering | f | 2016-11-19 | 2017-03-04 | 2 | TCD | Road, XC |
| Sophie Keville | f | 2024-02-10 | 2024-02-10 | 1 | UG | 200m |
| Shenna Kevorkian | f | 2002-03-09 | 2003-03-09 | 6 | DCU | 100mH, 400mH, 4x100m, LJ, XC |
| Stephanie Keys | f | 2005-06-07 | 2005-06-07 | 1 | NI U23 | TJ |
| Catherine Kiely | f | 2002-04-19 | 2003-04-26 | 2 | UL | 5000m |
| Forename Kiely | f | 1991-05-03 | 1991-05-04 | 1 | TCE | 3000m |
| Megan Kiely | f | 2010-04-23 | 2011-04-30 | 2 | GST | 400mH |
| Edel Kieran | f | 2014-04-11 | 2015-04-11 | 4 | DCU | 400m |
| Karen Kiernan | f | 2006-04-21 | 2006-04-22 | 1 | UU | DT |
| Louise Kiernan | f | 2007-04-13 | 2008-04-19 | 6 | DIT | 100m, 200m |
| Louise Kiernan | f | 2013-02-01 | 2014-04-12 | 14 | DCU | 100m, 200m, 4x100m, 60m |
| Mieke Kiernan | f | 2015-04-10 | 2017-04-08 | 4 | DCU, IUAA | HT |
| Alison Kiersell | f | 1998-02-28 | 1998-02-28 | 1 | TCD | XC |
| Anne Kiesling | f | 2003-06-10 | 2003-06-10 | 1 | SU | JT |
| Ann Kiessling | f | 2003-06-10 | 2003-06-10 | 1 | SU | HT |
| Anne Kiessling | f | 2003-06-10 | 2003-06-10 | 3 | SU | DT, HJ, SP |
| Brenda Kilcourse | f | 2004-12-03 | 2004-12-04 | 3 | DKIT | 200m, 3000m, 4x200m |
| Sharon Kilduff | f | 2009-02-14 | 2011-04-30 | 18 | DCU | 100m, 200m, 4x100m, 4x200m, 60m |
| Rachel Kilgallen | f | 2010-11-13 | 2014-03-08 | 8 | DCU | 800m, Road, XC |
| Mary Kilkenny | f | 1999-12-03 | 2003-04-26 | 21 | UL | 100m, 200m, 20lbWfD, 400m, 4x200m, 60m, LJ, PV |
| Meabh Killalea | f | 2024-03-09 | 2024-03-09 | 1 | UCD | XC |
| Aoife Killgallon | f | 2022-01-29 | 2022-01-29 | 1 | UG | 3000m |
| Hilary Kilpatrick | f | 1973-03-10 | 1973-03-10 | 1 | TCD | XC |
| Grace Kilroy | f | 2018-02-09 | 2018-04-14 | 2 | IT Carlow | 100m, 60m |
| M. Kinahan | f | 1977-05-06 | 1977-05-07 | 2 | UCG | JTo, LJ |
| Eve Kinane | f | 2024-04-05 | 2024-04-06 | 1 | MU | 3000m |
| Mary Kinane | f | 1995-03-04 | 1997-02-01 | 7 | GST, UCC, UCD | 1500m, 400mH, XC |
| Aloisia King | f | 2018-02-09 | 2018-02-09 | 1 | TCD | 1500mW |
| Aoife King | f | 2017-11-18 | 2022-03-05 | 7 | UG | 5000m, Road, XC |
| Louise King | f | 2022-01-29 | 2022-04-09 | 13 | UL | 100mH, 60mH, CE, HJ, JT, LJ, SP |
| Louise King | f | 2023-01-28 | 2024-04-06 | 21 | UL | 100mH, 60mH, CE, HJ, JT, LJ, SP |
| Miriam King | f | 2008-04-18 | 2008-04-19 | 2 | TCD | JT, SP |
| Nicole King | f | 2017-02-10 | 2017-04-08 | 6 | UG | 400m, 4x100m, 4x200m, 4x400m |
| Lisa Kingston | f | 2023-11-10 | 2023-11-10 | 1 | UCC | Road |
| Nicki Kingston | f | 2010-04-23 | 2010-04-24 | 1 | UCC | 4x100m |
| Mary Kinnane | f | 1997-02-16 | 1998-01-31 | 2 | UCD | XC |
| Erin Kinnear | f | 2002-06-18 | 2002-06-18 | 1 | NI U23 | PV |
| Mary Kinnelly | f | 2011-04-29 | 2011-04-30 | 4 | CIT | 100m, 200m, 4x100m, 4x400m |
| S. Kinney | f | 1979-03-17 | 1979-03-17 | 1 | UCG | XC |
| S. Kinney | f | 1978-03-04 | 1978-03-04 | 1 | UCD | XC |
| Aine Kinsella | f | 2015-03-07 | 2015-03-07 | 1 | UCD | XC |
| Emer Kinsella | f | 1990-04-27 | 1992-04-25 | 2 | TCD | 1500mW |
| Sharon Kinsella | f | 1996-02-09 | 1998-04-25 | 5 | Carlow RTC, GST, IT Carlow, IUAA | HJ |
| Aisling Kirby | f | 2015-11-14 | 2018-04-14 | 5 | TCD | 3000m, Road, XC |
| F. Kirby | f | 1992-04-24 | 1992-04-25 | 2 | UL | DT, JTo |
| Mary Kirby | f | 1966-05-18 | 1968-05-11 | 6 | TCD | 100y, 220y, 4x110y, JTo, LJ |
| Katie Kirk | f | 2011-04-29 | 2013-11-23 | 3 | GST, QUB | 400m, Road |
| Katie Kirk | f | 2019-02-08 | 2019-04-06 | 5 | UU | 4x400m, 800m |
| Kerry Kirk | f | 1995-03-11 | 1996-06-25 | 2 | SU | 800m |
| Sandra Kirke | f | 1993-02-12 | 1997-12-13 | 15 | IUAA, UCD, UL | 200m, 400m, HJ |
| Fiona Kirkpatrick | f | 1993-06-22 | 1996-06-25 | 5 | IUAA, NI U20, UU | 1500m |
| Julie Kirkpatrick | f | 1994-06-28 | 1995-06-20 | 3 | NI U20, NI U23 | DT, HT |
| Denise Kirrane | f | 2003-04-25 | 2003-04-26 | 1 | UG | 3000m |
| Rosa Kirrwan | f | 2018-04-13 | 2018-04-14 | 3 | DIT | 4x400m, HJ, TJ |
| Aine Kirwan | f | 2022-11-11 | 2022-11-11 | 1 | UCC | Road |
| Fidelma Kirwin | f | 1986-03-08 | 1993-04-24 | 8 | UCC | 400m, 400mH, XC |
| Niamh Kissane | f | 1995-12-16 | 2000-04-15 | 8 | UCD | 1500m, 3000m, 5000m, XC |
| Sinead Kissane | f | 1997-04-25 | 1999-04-24 | 12 | UCD | 400m, 400mH, 4x400m, 800m, TJ, XC |
| Jessica Klapper | f | 2005-11-19 | 2005-12-11 | 8 | TCD | 60mH, CE, HJ, LJ, Road, SP, TJ |
| Allison Klas | f | 2016-02-12 | 2016-02-12 | 1 | TCD | 800m |
| Leona Kneusal | f | 2018-11-17 | 2019-03-02 | 2 | TCD | Road, XC |
| Angela Knott | f | 1967-06-01 | 1970-05-09 | 16 | UCD | 100mH, 4x110y, 80mH, HJ, JTo, LJ, SP |
| Emily Knox | f | 2019-11-16 | 2021-11-13 | 4 | UCC | 3000m, Road, XC |
| Emily Knox | f | 2023-03-04 | 2023-03-04 | 1 | UCC | XC |
| Anna Kopecka | f | 2019-11-16 | 2019-11-16 | 1 | MU | Road |
| Juliet Kose | f | 2024-03-09 | 2024-03-09 | 1 | UCD | XC |
| Elvira Kosisochukwu | f | 2023-01-28 | 2023-01-28 | 3 | MU | 200m, 4x200m |
| Louise Kremer | f | 2024-02-10 | 2024-04-06 | 6 | SETU | 4x100m, LJ, TJ |
| Christina Krempl | f | 2016-04-15 | 2016-04-16 | 2 | TCD | JT, TJ |
| Caro Kreysel | f | 2022-03-05 | 2022-03-05 | 1 | TCD | XC |
| Ciara Kummert | f | 2016-03-05 | 2018-03-10 | 2 | TCD | XC |
| Sarah Kwan | f | 2011-03-12 | 2011-03-12 | 1 | RCSI | XC |
| Jane Kyle | f | 2003-06-10 | 2003-06-10 | 2 | NI U23 | 100mH, 400mH |
| Christina Kyritsis | f | 2019-11-16 | 2021-11-13 | 3 | UCC | 400m, Road |