Athletics Ireland have selected a Team of 30 athletes for the European U23 Championships due to take place in Tallinn, Estonia July 8th - 11th 2021.
| Athlete | Club | Coach | Event(s) |
|---|---|---|---|
| Aoife Lynch | Donore | Daniel Kilgallon | 100m, 4x100m |
| Aoife O'Cuill | St. Coca's | Joe Ryan | 10,000m |
| Ellen McCartney | City of Lisburn | Kate Rooney | Pole Vault |
| Gina Akpe-Moses | Blackrock (Louth) | Marvin Rowe | 100m, 4x100m |
| Kate O'Connor | Dundalk St. Gerard's | Michael O'Connor | Heptathlon, Javelin |
| Lauren Roy | City of Lisburn | Adam McMullen | 4x100m |
| Molly Scott | St. L O'Toole | Deirdre Scott | 100m, 4x100m |
| Niamh Fogarty | Raheny Shamrock | Peter Collins | Discus |
| Orla O'Connor | Waterford | Ray Treacy | 10,000m |
| Ruby Millet | St. Abban's | Michael Kelly | Long Jump |
| Sarah Leahy | Killarney Valley | Tomás Griffin | 4x100m |
| Stephanie Cotter | West Muskerry | Michael Cotter | 1500m |
| Women's 4x100m Relay | Molly Scott, Gina Akpe-Moses, Aoife Lynch, Lauren Roy, Sarah Leahy | Karen Kirk | |
| Cathal Crosbie | Ennis Track | Hayley & Drew Harrison | 4x400m |
| Charlie O'Donovan | Leevale | Marcus O'Sullivan | 1500m |
| Darragh McElhinney | UCD AC | Emmet Dunleavy | 5000m |
| David Kenny | Farranfore Maine-Valley | Robert Heffernan | 20km Walk |
| David McGlynn | Waterford | Des Colbert | 10,000m |
| David Ryan | Moycarkey Coolcroo | Linford Christie and Margaret Adeoye | 4x400m |
| Eoin Kenny | Waterford | Hayley & Drew Harrison | 4x400m |
| Finley Daly | Sligo | Matt Lockett | 3000m SC |
| Jack Mitchell | St. L O'Toole | Hayley & Drew Harrison | 400mH, 4x400m |
| Jack Raftery | Donore | Paul Clarkin & Declan Raftery | 400m, 4x400m |
| Kevin McGrath | Bohermeen | Joe Ryan | 800m |
| Louis O'Loughlin | Donore | Gerry Naughton | 800m |
| Mark Milner | UCD AC | Joe Ryan | 800m |
| Matthew Neill | Strive Racing | 10,000m | |
| Michéal Power | West Waterford | David McCarthy | 5000m |
| Sean Mockler | Moycarkey Coolcroo | Brian Akers | Hammer |
| Shane Monagle | Tramore | Jeremy Lyons | 4x400m |
| Men's 4x400m Relay | Jack Raftery, Jack Mitchell, Cathal Crosbie, David Ryan, Eoin Kenny, Shane Monagle | David McCarthy | |
