| - | 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 |
|---|---|---|---|---|---|---|
| Robert Abang | m | 1973-05-11 | 1974-05-04 | 3 | UCC | 110mH, PV |
| Francis Abbey | m | 2013-02-01 | 2013-02-01 | 1 | IT Carlow | SP |
| B.A. Abbott | m | 1928-06-02 | 1929-06-01 | 3 | QUB | 880y, Mile |
| Glen Abel | m | 1992-03-07 | 1992-03-07 | 1 | UCD | XC |
| Peter Abernethy | m | 2004-06-08 | 2004-06-08 | 1 | NI U23 | PV |
| Segun Abiola | m | 2015-11-14 | 2016-03-05 | 2 | UG | Road, XC |
| Deven Abrams | m | 2025-02-09 | 2025-02-09 | 2 | UCD | 3000m |
| Ben Achenson | m | 2024-11-08 | 2024-11-08 | 1 | QUB | Road |
| Clive Acheson | m | 2014-04-11 | 2014-04-12 | 2 | QUB | 100m, 200m |
| Cyril T. Acheson | m | 1936-05-30 | 1936-05-30 | 1 | TCD | LJ |
| Graham Acheson | m | 2000-12-01 | 2000-12-02 | 2 | QUB | 60m, LJ |
| Hubert Adamczyk | m | 2024-02-10 | 2024-04-06 | 2 | TCD | JT, LJ |
| Dean Adams | m | 2009-04-24 | 2015-04-11 | 36 | Ballymena & Antrim AC, UU | 100m, 4x100m, 4x200m, 60m, HT |
| Dean Adams | m | 2019-05-25 | 2019-05-25 | 1 | GST | 100m |
| Dean Adams | m | 2020-02-15 | 2020-02-15 | 2 | UU | 60m |
| Jonathan Adams | m | 2002-06-18 | 2002-06-18 | 1 | NI U23 | HT |
| L. Adams | m | 1984-05-04 | 1984-05-05 | 1 | TCD | HJ |
| Liam Martin Adams | m | 1979-05-04 | 1982-05-12 | 5 | TCD | HJ |
| Raymond Adams | m | 1996-06-25 | 2006-04-22 | 8 | IUAA, NI U23, UU | 1500m, 400m, 4x400m, 800m, HT, Road |
| Samuel Adams | m | 2014-05-31 | 2014-05-31 | 1 | SUCA | PV |
| Samuel Adams | m | 2021-11-13 | 2021-11-13 | 1 | RCSI | Road |
| Tom Adams | m | 1997-06-24 | 1997-06-24 | 1 | SU | 800m |
| Everest Stamer Adderley | m | 1927-06-04 | 1927-06-04 | 1 | TCD | DT |
| Anthony Addison | m | 2018-05-26 | 2018-05-26 | 1 | Scotland | 1500m |
| Sam Adebayo | m | 2018-02-09 | 2018-02-09 | 1 | UCC | 60m |
| Lateef Adebowale | m | 2022-01-29 | 2022-01-29 | 4 | TUD | 1500m, 3000m |
| Kusimo Adedolapo | m | 2022-01-29 | 2022-04-09 | 4 | AIT | 100m, 4x100m, 60m, LJ |
| Prince Adegboyega F. Adedoyin | m | 1945-06-30 | 1945-06-30 | 3 | Combined Universities | HJ, LJ, TJ |
| Alex Ademola | m | 2024-02-10 | 2024-04-06 | 15 | MTU | 110mH, 4x100m, 4x400m, 60mH, CE, DT, HJ, LJ, SP |
| Reece Ademola | m | 2023-04-21 | 2024-02-10 | 2 | MTU | LJ |
| Tyrone Adenrianye | m | 2024-02-10 | 2024-04-06 | 8 | SETU | 100m, 200m, 4x100m, 4x200m, 60m, SP |
| Taiwo Adereni | m | 2024-02-10 | 2025-02-09 | 15 | SETU | 35lbWfD, 4x100m, 4x200m, 60mH, CE, HJ, JT, LJ, SP, TJ |
| Rocher Adeyeye | m | 2023-11-10 | 2024-10-19 | 7 | UL | 1500m, 600m, Mile, Road, XC |
| Paul Adie | m | 1997-06-24 | 1997-06-24 | 2 | SU | LJ, TJ |
| Kolade Adiodun | m | 2019-02-08 | 2019-04-06 | 3 | DIT | 4x100m, LJ |
| Christopher Admirand | m | 2025-02-09 | 2025-02-09 | 6 | UCD | 60mH, CE, HJ, LJ, SP, TJ |
| Benjamin Adu | m | 2024-04-05 | 2024-04-06 | 2 | MU | 4x100m, LJ |
| Zainal Adwin | m | 2004-04-16 | 2004-04-17 | 1 | RCSI | JT |
| Shantam Agarwal | m | 2019-04-05 | 2019-04-06 | 3 | TCD | 100m, 4x100m |
| Marvellous Agbator | m | 2022-04-08 | 2022-04-09 | 1 | TUD | 200m |
| Marvellous Agbator | m | 2025-02-09 | 2025-02-09 | 2 | TUD | 4x200m |
| Andrew Agnew | m | 2005-06-07 | 2012-07-18 | 15 | Annadale Striders, GST, IUAA, QUB | 1500m, 5000m, Road, XC |
| D. Ahearne | m | 1978-05-05 | 1980-05-03 | 3 | UCC | 100m, 200m |
| J. Ahearne | m | 1982-03-06 | 1982-03-06 | 1 | UCC | XC |
| Joe Ahearne | m | 1982-03-06 | 1982-03-06 | 1 | UCC | XC |
| T Ahearne | m | 1993-02-12 | 1993-02-12 | 1 | SPM | SP |
| Daniel Ahern | m | 2011-02-05 | 2013-04-13 | 15 | UCC | 200m, 400m, 4x100m, 4x200m, 4x400m, 60m |
| Maurice Ahern | m | 1968-11-30 | 1969-11-29 | 2 | UCD | XC |
| Patrick Ahern | m | 1999-12-03 | 1999-12-04 | 2 | CIT | 4x200m, LJ |
| Sean Ahern | m | 2007-12-08 | 2007-12-09 | 4 | UG | CE, HJ, LJ, SP |
| Cian Aherne | m | 2005-12-10 | 2006-04-22 | 5 | GST, UCD | 100m, 4x100m, 60m |
| David Aherne | m | 1996-12-13 | 1997-12-13 | 4 | UL | 60mH, LJ, TJ |
| Michael Aherne | m | 1991-05-03 | 1993-04-24 | 4 | Cork RTC, UCC | DT, HT |
| Tom Aherne | m | 1994-04-22 | 1996-04-20 | 9 | IUAA, SPM | 35lbWfD, DT, HT, SP |
| Rafei Ahmad | m | 2001-04-20 | 2001-04-21 | 1 | RCSI | 200m |
| Mahad Ahmed | m | 2014-05-31 | 2014-05-31 | 1 | SAL Select | TJ |
| Mahad Ahmed | m | 2016-05-28 | 2016-05-28 | 1 | GST | TJ |
| Osman Ahmed | m | 2010-11-13 | 2010-11-13 | 1 | UG | Road |
| Joseph Aidoo | m | 2025-02-09 | 2025-02-09 | 2 | ATU | 400m |
| Krishawn Aiken | m | 2015-05-31 | 2019-05-25 | 14 | Scotland, SUCA | 100m, 200m, 400m, 4x100m, 4x400m |
| Alex Ainsworth | m | 2022-11-11 | 2023-11-10 | 2 | UCD | Road |
| Ayokunmi Ajetunmobi | m | 2010-02-13 | 2010-02-13 | 1 | UCD | LJ |
| C. Aka | m | 1995-03-11 | 1995-03-11 | 1 | SU | 60m |
| Safari Aketch | m | 2016-04-15 | 2016-04-16 | 1 | RCSI | DT |
| Toluwabori Akinola | m | 2022-01-29 | 2025-02-09 | 26 | UCD | 100m, 200m, 4x100m, 4x200m, 60m, DT |
| Joseph Akinremi | m | 2014-02-07 | 2014-02-07 | 1 | IT Carlow | SP |
| Emmanuel Akinrolie | m | 2025-02-09 | 2025-02-09 | 4 | NCI | 200m, 60m |
| Yaqoup Al Hattali Elyas | m | 2016-02-12 | 2016-02-12 | 2 | DKIT | 60m, LJ |
| Zahir Al Hilali | m | 1994-01-21 | 1994-01-21 | 1 | RCSI | 3000m |
| Saud al Samaraie | m | 2021-11-13 | 2024-03-09 | 9 | UCD | 1500m, Road, XC |
| Baqer Al Tulaihi | m | 2013-02-01 | 2013-02-01 | 1 | DIT | 400m |
| Barakat Al-Harthi | m | 2012-07-18 | 2012-07-18 | 2 | Oman | 100m |
| Mahomad Al-Kalbani | m | 2002-03-09 | 2002-03-09 | 1 | DIT | XC |
| Ahmed Al-Merjabi | m | 2012-07-18 | 2012-07-18 | 1 | Oman | 400m |
| Mosleh Alalyani | m | 2017-04-07 | 2017-04-08 | 1 | IT Tralee | 5000m |
| Tahmid Alam | m | 2024-02-10 | 2025-02-09 | 2 | MTU | 200m |
| Emmanuel Alamu | m | 2022-04-08 | 2022-04-09 | 2 | CIT | 4x100m, LJ |
| Mohammad Albashir | m | 2023-11-10 | 2025-02-09 | 7 | TUS | 200m, 35lbWfD, LJ, Road |
| Sanchez Alberta | m | 2011-02-05 | 2011-04-30 | 3 | IT Sligo | 3000m, 5000m, XC |
| Neil Alderdice | m | 2003-11-22 | 2003-11-22 | 1 | UU | Road |
| Brendan Alexander | m | 2005-04-22 | 2007-04-14 | 6 | LYIT | 100m, 200m, PV |
| Jim Alexander | m | 1982-04-30 | 1985-05-04 | 7 | QUB | 110mH, PV |
| Justin Alexander | m | 2008-11-15 | 2008-11-15 | 1 | UCC | Road |
| Lyle Alexander | m | 1968-03-02 | 1969-03-01 | 3 | QUB | 880y, XC |
| R. Alexander | m | 1969-03-01 | 1969-03-01 | 1 | QUB | XC |
| Ross Alexander | m | 1998-02-28 | 2006-04-22 | 17 | WIT | 2000mW, 3000m, 3000mW, XC |
| Muhammad Hasan Ali | m | 2019-04-05 | 2020-02-15 | 2 | TCD | JT, SP |
| David Allan | m | 1993-06-22 | 1993-06-22 | 3 | SU | DT, HT, SP |
| Finbar Allan | m | 2022-11-11 | 2022-11-11 | 1 | UCD | Road |
| Niall Allan | m | 1994-04-22 | 1994-04-23 | 1 | UU | DT |
| Richard "Mark" S. Allanson | m | 1967-05-05 | 1970-05-13 | 5 | TCD | 1500m, Mile, XC |
| Danny Allen | m | 2011-02-05 | 2014-04-12 | 25 | CIT | 100m, 110mH, 200m, 400m, 4x100m, 4x200m, 4x400m, 60m, CE, HJ, LJ, SP |
| Jack Allen | m | 2013-11-23 | 2013-11-23 | 1 | CIT | Road |
| John Allen | m | 1970-03-14 | 1973-05-12 | 9 | NUU, QUB | 1500m, 3000mSC, HT, XC |
| John F. Allen | m | 1920-06-05 | 1924-05-31 | 8 | UCC | 120yH, DT, SP |
| M. Allen | m | 1989-05-05 | 1989-05-06 | 4 | UU | 100m, 200m |
| Michael Allen | m | 1997-06-24 | 2001-06-19 | 4 | NI U23 | JT, SP |
| Niall Allen | m | 1994-04-22 | 1994-04-23 | 3 | UU | 35lbWfD, JT, SP |
| Paul Allen | m | 1995-06-20 | 1995-06-20 | 1 | SU | 200m |
| W. Allen | m | 1931-05-30 | 1933-05-27 | 2 | QUB | HJ |
| R.D. Allison | m | 1927-06-28 | 1927-06-28 | 3 | Atalanta | 220y, 440y, 220yx2, 880y, LJ |
| R.D. Allison Allison | m | 1927-06-28 | 1927-06-28 | 1 | Atalanta | 100y |
| Michael Allman | m | 1913-05-24 | 1914-06-06 | 2 | UCC | SP |
| Ross Alyward | m | 2016-03-05 | 2017-04-08 | 5 | MU | 10000m, 5000m, Road, XC |
| Luca Amagliani | m | 2014-11-15 | 2014-11-15 | 1 | UCC | Road |
| Ralu Amaury | m | 2019-02-08 | 2019-04-06 | 2 | IT Sligo | 800m |
| Joseph Amouzou | m | 2014-05-31 | 2014-05-31 | 1 | SAL Select | TJ |
| George Anayo-Ezikeoha | m | 2024-11-08 | 2024-11-08 | 1 | UG | Road |
| A. Anderson | m | 1990-03-03 | 1990-03-03 | 1 | SPM | XC |
| Clifton Robert Anderson | m | 1975-05-21 | 1977-05-17 | 12 | TCD | 100m, 200m, 4x100m, LJ |
| D. Anderson | m | 1976-04-30 | 1976-05-01 | 1 | QUB | JTo |
| D. Anderson | m | 1977-06-14 | 1977-06-14 | 1 | Birmingham | LJ |
| Jonathan Anderson | m | 1993-06-22 | 1996-06-25 | 22 | IUAA, NI U20, QUB | 100m, 200m, 4x200m, 60m |
| Josh Anderson | m | 2004-06-08 | 2004-06-08 | 1 | NI U23 | PV |
| Kenneth Anderson | m | 1995-06-17 | 1995-06-20 | 2 | H & Y | 400m |
| Leo Anderson | m | 2023-04-21 | 2023-11-10 | 3 | MU | 400m, HJ, Road |
| Oliver Anderson | m | 1976-04-30 | 1977-06-14 | 8 | IUAA, QUB | DT, HT, SP |
| Patrick St.George Anderson | m | 1938-07-06 | 1939-07-01 | 2 | IUAA | 120yH |
| Seamus Anderson | m | 2022-11-11 | 2024-10-19 | 6 | DCU | 10000m, 5000m, Road, XC |
| Zack Anderson | m | 2016-11-19 | 2016-11-19 | 1 | UCC | Road |
| Ian Henderson Angus | m | 1963-02-16 | 1964-11-21 | 2 | TCD, Unknown | XC |
| Andrew Annett | m | 2013-03-09 | 2013-03-09 | 1 | UU | XC |
| Ryan Annett | m | 2006-11-18 | 2006-11-18 | 1 | QUB | Road |
| Wim Annys | m | 1998-12-11 | 1999-04-24 | 4 | UL | 800m |
| R.M. Ansted | m | 1873-05-19 | 1873-05-19 | 1 | UCG | 4Mile W |
| Marco Antonio | m | 2014-02-07 | 2014-02-07 | 1 | UG | HJ |
| Anton Antonovs | m | 2020-02-15 | 2020-02-15 | 1 | AIT | 35lbWfD |
| Anthony Appiah | m | 2016-04-15 | 2016-04-16 | 2 | LYIT | 4x100m |
| G. Applegate | m | 1971-05-22 | 1971-05-22 | 1 | SU | HT |
| David Archer | m | 1998-02-28 | 1999-03-06 | 3 | TCD | 3000mSC, XC |
| Leo Archer | m | 1985-05-03 | 1985-05-04 | 1 | UCD | HT |
| Marcus Archer | m | 2018-05-26 | 2018-05-26 | 3 | Scotland | 200m, 400m, 4x100m |
| Sean Archer | m | 2013-02-01 | 2017-05-27 | 10 | IUAA, WIT | JT, TJ |
| Simon Archer | m | 2015-02-06 | 2017-04-08 | 20 | LYIT | 100m, 200m, 4x100m, 60m, HJ |
| Emmanuel Areo | m | 1969-05-03 | 1971-05-12 | 11 | TCD | JTo, LJ, TJ |
| H.C. Armstrong | m | 1928-06-02 | 1928-06-02 | 1 | QUB | 100y |
| James Armstrong | m | 2024-04-05 | 2024-04-06 | 3 | UU | 200m |
| James Armstrong | m | 2025-02-09 | 2025-02-09 | 2 | UU | 200m |
| M. Armstrong | m | 1982-04-30 | 1984-05-05 | 4 | UCD | LJ |
| Niall Armstrong | m | 2018-04-13 | 2018-04-14 | 1 | UU | 4x400m |
| Brandon Arrey | m | 2015-02-06 | 2019-04-06 | 24 | DCU, IUAA | 200m, 400m, 400mH, 4x200m, 4x400m |
| D. Arrigan | m | 1990-03-03 | 1990-03-03 | 1 | UCC | XC |
| Tommy Arthur | m | 2023-11-10 | 2024-04-06 | 3 | QUB | 3000mSC, Road, XC |
| Oluwatoni Asaboro | m | 2018-02-09 | 2018-04-14 | 3 | ITB | 200m, LJ |
| Ohene Asante Abaogye | m | 2000-04-14 | 2002-04-20 | 10 | RCSI | 100m, 200m, 35lbWfD, 4x100m, HT, JT, LJ, PV, TJ |
| John Asemota | m | 1961-05-06 | 1961-05-06 | 1 | UCC | HJ |
| Joey Ashcroft | m | 1968-05-11 | 1969-05-03 | 3 | QUB | 120yH, PV |
| Mohammed Ashkanani | m | 2005-04-22 | 2005-04-23 | 2 | RCSI | 100m, SP |
| Saad Ashraf | m | 2024-04-05 | 2025-02-09 | 4 | RCSI | 200m, 400m, 60m, 800m |
| Ed Aston | m | 2012-07-18 | 2012-07-18 | 1 | Birchfield Harriers ENG | 800m |
| Shane Aston | m | 2012-11-17 | 2018-04-14 | 77 | AIT, DCU, IUAA | 110mH, 4x400m, 60mH, CE, DT, HJ, JT, LJ, PV, Road, SP |
| Shane Aston | m | 2019-02-08 | 2022-04-09 | 17 | IT Carlow | 110mH, 35lbWfD, 4x100m, 4x200m, 4x400m, 60mH, CE, DT, HJ, JT, LJ, PV, SP |
| Alejandro Astorgano | m | 2007-11-17 | 2007-11-17 | 1 | TCD | Road |
| Jordan Athaide | m | 2023-11-10 | 2025-02-09 | 10 | TCD | 3000m, 4x400m, 5000m, 800m, Road, XC |
| Athlete Athlete | m | 2004-04-16 | 2004-04-17 | 3 | QUB | 200m, 4x100m, DT |
| David Atkinson | m | 2016-11-19 | 2017-04-08 | 6 | UCD | 4x400m, 800m, Road |
| J. Atkinson | m | 1977-05-06 | 1977-05-07 | 3 | QUB | DT, HT, SP |
| Kellogg Atkinson | m | 2018-03-10 | 2018-03-10 | 1 | UCD | XC |
| Mark Atkinson | m | 1977-05-06 | 1981-05-02 | 13 | QUB | DT, HT, JTo, SP |
| P. Atkinson | m | 1979-03-17 | 1982-03-06 | 3 | SPM | XC |
| Ciaran Atton | m | 2000-02-26 | 2000-02-26 | 1 | DCU | XC |
| Niall Attwood | m | 2016-11-19 | 2017-11-18 | 3 | QUB | 800m, Road |
| Stephen E.A. Attwood | m | 1976-03-06 | 1981-03-07 | 5 | TCD | XC |
| Jason Aughney | m | 2010-04-23 | 2014-04-12 | 5 | ITB | 3000mW, 4x100m, 800m, JT |
| Tor Austad | m | 2003-04-25 | 2004-04-17 | 6 | RCSI | 35lbWfD, 400m, DT, JT, SP |
| Denis Austen | m | 2002-11-16 | 2003-04-26 | 4 | DIT | 800m, Road |
| Stephen Conway Austen | m | 1963-02-16 | 1965-05-19 | 16 | IUAA, TCD | 100y, 220y, 440y, 4x100y, 4x110y, XC |
| Alexandre Avron | m | 2009-02-14 | 2009-02-15 | 6 | TCD | 400m, 4x200m, 60mH |
| Runo Ayavoro | m | 2022-04-08 | 2025-02-09 | 20 | TUD | 100m, 4x100m, 4x200m, 4x400m, 60m |
| Dan Ayiotis | m | 2006-11-18 | 2006-11-18 | 1 | UG | Road |
| Ross Aylward | m | 2017-11-18 | 2018-11-17 | 2 | MU | Road |
| Ciaran Ayton | m | 2001-04-20 | 2001-04-21 | 1 | DCU | 5000m |
| Alaa Ayyoub | m | 2005-04-22 | 2005-04-23 | 1 | RCSI | SP |
| K. Abbitt | f | 1995-03-11 | 1995-03-11 | 1 | Birmingham | 1500m |
| Grace Abbott | f | 2011-11-12 | 2011-11-12 | 1 | WIT | Road |
| Kartini Abdul Rahim | f | 2004-02-06 | 2004-02-07 | 1 | UCD | LJ |
| Amany Abu Awad | f | 2022-11-11 | 2022-11-11 | 1 | GST | Road |
| Marjorie Adams | f | 1974-05-03 | 1977-06-14 | 5 | BLE Select, NCPE | HJ, LJ |
| Heather Addison | f | 2017-05-27 | 2017-05-27 | 1 | SUCA | 3000m |
| Hannah Addley | f | 2007-11-17 | 2007-11-17 | 1 | QUB | Road |
| Ademide Ademuyewo | f | 2013-06-01 | 2014-05-31 | 4 | SU, SUCA | 200m, 400m, 4x400m |
| Arabella Adeoya | f | 2024-02-10 | 2025-02-09 | 12 | SETU | 100mH, 4x100m, 4x200m, 60m, 60mH |
| Aisling Adhern | f | 2017-11-18 | 2018-03-10 | 2 | UU | Road, XC |
| Adenike I.O. "Nikki" Adigun | f | 1969-05-03 | 1971-05-12 | 5 | TCD | 100y, 220y, 4x110y, LJ |
| Jessica Afrakomaa | f | 2023-01-28 | 2023-01-28 | 3 | UCD | 60m, 60mH |
| Tasha Afrifa | f | 2019-02-08 | 2019-02-08 | 2 | UU | 60m, LJ |
| Ashling Ahearn | f | 2013-06-01 | 2013-06-01 | 1 | IUAA | 3000m |
| Aisling Ahern | f | 2013-03-09 | 2017-04-08 | 14 | TCD | 1500m, 3000m, 5000m, Road, XC |
| M. Ahern | f | 1972-03-04 | 1972-05-06 | 2 | UCC | 800m, XC |
| Sally Ahern | f | 2017-02-10 | 2018-02-09 | 5 | TCD | 800m, Road, XC |
| Eibhlis Aherne | f | 2001-12-07 | 2002-04-20 | 6 | UCC | 100m, 200m, 4x100m, 4x200m, 60m |
| Eilish Aherne | f | 2000-12-01 | 2001-04-21 | 6 | UCC | 100m, 200m, 60m |
| Karen Aherne | f | 2008-11-15 | 2008-11-15 | 1 | UCD | Road |
| Annur Ahmad | f | 2010-11-13 | 2010-11-13 | 1 | QUB | Road |
| Aima Ahonkhai | f | 1995-06-17 | 1995-06-20 | 2 | H & Y | TJ |
| Abigail Airoldi | f | 2011-03-12 | 2011-03-12 | 1 | UCC | XC |
| Rachel Akers | f | 2005-04-22 | 2011-04-30 | 20 | IUAA, UG | 20lbWfD, DT, HT, JT, SP |
| Elizabeth Akinbami | f | 2014-04-11 | 2014-04-12 | 1 | IT Tallaght | 100m |
| Suad Al Ghawas | f | 2024-10-19 | 2024-10-19 | 1 | UCD | XC |
| Mariam Al Hilli | f | 2002-04-19 | 2006-04-22 | 23 | RCSI | 100m, 200m, 60m, LJ, TJ |
| Zahraa Al-Hilli | f | 2000-04-14 | 2002-04-20 | 5 | RCSI | JT, LJ, SP |
| Sara Al-Wohaib | f | 2017-11-18 | 2017-11-18 | 1 | UCD | Road |
| Blessing Alamu | f | 2022-01-29 | 2022-04-09 | 3 | WIT | DT, LJ |
| Blessing Alamu | f | 2024-02-10 | 2025-02-09 | 6 | SETU | 20lbWfD, DT, LJ, SP |
| Damilola Alamu | f | 2018-02-09 | 2018-02-09 | 1 | WIT | 60m |
| Nicola Alcorn | f | 2006-12-02 | 2009-04-25 | 5 | DCU | 1500mW |
| D. Alexander | f | 1983-05-06 | 1983-05-07 | 2 | QUB | 100m, 200m |
| Eleanor Alexander | f | 2007-11-17 | 2008-11-15 | 3 | DCU | 1500m, Road |
| Joy Alexander | f | 1988-04-29 | 1990-04-28 | 6 | QUB | 100mH, 400mH |
| Kineke Alexander | f | 2012-07-18 | 2012-07-18 | 1 | St Vincent & Grenadines | 400m |
| Rachel Alexander | f | 2014-05-31 | 2014-05-31 | 1 | SAL Select | LJ |
| Rachel Alexander | f | 2016-05-28 | 2018-05-26 | 2 | GST, Scotland | LJ |
| Lynne Algar | f | 2004-02-06 | 2004-12-04 | 3 | UL | 1500m, 800m, XC |
| Ruth Algar | f | 1974-05-03 | 1977-06-14 | 11 | BLE Select, NCPE | 100m, 100mH, 200m, XC |
| Ajifa Alhassan | f | 2023-04-21 | 2023-04-22 | 2 | MU | 400m, LJ |
| Tania Aligne | f | 2002-12-06 | 2002-12-07 | 7 | TCD | 60mH, CE, HJ, LJ, SP, TJ |
| Amy Allen | f | 2023-01-28 | 2023-01-28 | 2 | TCD | 4x200m, 60m |
| D. Allen | f | 1995-03-11 | 1995-03-11 | 2 | SU | 200m, 400m |
| Dawn Allen | f | 1996-06-25 | 1996-06-25 | 1 | SU | 800m |
| Hannah Allen | f | 2014-04-11 | 2015-04-11 | 3 | UU | 20lbWfD, HT |
| Natalie Allen | f | 2006-12-02 | 2007-04-14 | 6 | UG | 100m, 200m, 60m |
| Niamh Allen | f | 2014-11-15 | 2017-03-04 | 6 | UCC | 3000m, Road, XC |
| Susanne Alletsee | f | 2009-02-14 | 2009-02-15 | 6 | UU | 60mH, CE, HJ, LJ, SP |
| Mirjam Allik | f | 2009-11-14 | 2012-11-17 | 8 | TCD | 3000m, Road, XC |
| Katherine Allison | f | 2022-03-05 | 2022-03-05 | 1 | RCSI | XC |
| Miller Allison | f | 2008-03-08 | 2008-04-19 | 4 | WIT | 400mH, LJ, TJ, XC |
| Winner Aluzie | f | 2025-02-09 | 2025-02-09 | 4 | SETU | 200m, 4x200m, 60m |
| Maria Alvarez | f | 2005-12-10 | 2005-12-11 | 1 | DCU | PV |
| Fauve Alymar | f | 2025-02-09 | 2025-02-09 | 2 | UL | 800m |
| Keely Ambrose | f | 1999-03-06 | 1999-04-24 | 3 | TCD | 5000m, LJ, XC |
| Margaret Ambrose | f | 2002-04-19 | 2003-03-09 | 3 | UCC | 1500m, Road, XC |
| Monica Ambrose | f | 2000-02-26 | 2004-11-20 | 10 | UCC | 1500mW, 3000m, 5000m, Road, XC |
| Corina Ames | f | 1996-12-13 | 1996-12-14 | 1 | SPM | 1500m |
| Ava Anderson | f | 2025-02-09 | 2025-02-09 | 2 | UU | 20lbWfD, SP |
| P. Anderson | f | 1995-03-11 | 1995-03-11 | 1 | SU | TJ |
| Pamela Anderson | f | 1999-06-22 | 1999-06-22 | 1 | SU | TJ |
| Margaret Angell | f | 1995-06-17 | 1995-06-20 | 2 | H & Y | 1500m, 3000m |
| Breffini Anglim | f | 2005-11-19 | 2005-11-19 | 1 | TCD | Road |
| Mary Anglim | f | 1972-03-04 | 1973-03-10 | 2 | UCC | XC |
| Roisin Anglim | f | 2009-02-14 | 2012-02-04 | 23 | DCU | 12, 4, 8, 16, 200m, 400m, 4x100m, 4x200m, 4x400m |
| Jane Anne | f | 2004-11-20 | 2005-02-26 | 2 | UCD | Road, XC |
| Cressida Antwi Amaniampong | f | 2022-01-29 | 2024-02-10 | 13 | MU | 100m, 200m, 4x100m, 60m |
| Gissane Aoibhinn | f | 2011-02-05 | 2011-02-05 | 1 | IT Sligo | 1500mW |
| Jean Appleby | f | 1977-06-14 | 1977-06-14 | 1 | BLE Select | 1500m |
| Mary Appleby | f | 1977-06-14 | 1977-06-14 | 1 | BLE Select | 400m |
| Suzanne Arbuthnot | f | 2004-02-28 | 2004-02-28 | 1 | QUB | XC |
| A. Armour | f | 1983-05-06 | 1983-05-07 | 1 | QUB | 800m |
| C. Armstrong | f | 1975-05-02 | 1975-05-03 | 1 | QUB | JTo |
| Courtney Armstrong | f | 2012-03-10 | 2012-03-10 | 1 | UCC | XC |
| E. Armstrong | f | 1983-05-06 | 1983-05-07 | 1 | QUB | 1500m |
| Jennifer Arnold | f | 2025-02-09 | 2025-02-09 | 3 | TUS | 4x200m, 60m |
| Zoe Arnold | f | 1994-06-28 | 1999-06-22 | 13 | IUAA, NI U20, NI U23, UU | 200m, 400m, 4x400m |
| Caitlin Arnott | f | 2019-05-25 | 2019-05-25 | 2 | Scotland | 4x400m, 800m |
| Holly Arthur | f | 2025-02-09 | 2025-02-09 | 2 | QUB | 400m, 800m |
| Claire Ashburner | f | 2009-11-14 | 2009-11-14 | 1 | UCD | Road |
| Hannah Aspell | f | 2022-04-08 | 2025-02-09 | 11 | DCU | 100m, 200m, 4x100m, 60m |
| Janet Atkinson | f | 1974-05-03 | 1978-05-06 | 21 | QUB | 100m, 100mH, 200m, HJ, JTo, LJ, XC |
| Rebecca Atkinson | f | 2003-06-10 | 2003-06-10 | 1 | NI U23 | HT |
| Christina Rosamund Attwood | f | 1973-03-10 | 1975-05-21 | 5 | TCD | 1500m, 200m, 400m, 800m, XC |
| A. Aughney | f | 1988-04-29 | 1988-04-30 | 1 | UCD | LJ |
| Gillian Austin | f | 2002-12-06 | 2003-06-10 | 4 | IUAA, WIT | DT, SP |
| Eve Ayo | f | 2024-02-10 | 2024-04-06 | 4 | TUS | 100m, 4x200m, 60m |
| Nuala Ayres | f | 1993-02-12 | 1993-02-12 | 2 | DCU | 60m, LJ |
| Agnieska Aziewicz | f | 2014-02-07 | 2015-02-06 | 11 | TCD | 100m, 200m, 4x100m, 4x200m, 60m, LJ |
| Agnieszka Aziewicz | f | 2016-04-15 | 2016-04-16 | 3 | TCD | 100m, 4x100m, LJ |