The following athletes have been selected for the European U23 Championships to take place in Gavle, Sweden from the 11th - 14th July 2019.
| Event (s) | Athlete | Club | Coach |
| Men | |||
| 200m | Mark Smyth | Raheny Shamrock AC | Kay Bannon |
| 400m & 4x400m Relay | Chris O'Donnell | North Sligo AC | Nick Dakin |
| 400m & 4x400m Relay | Cathal Crosbie | Ennis Track AC | Hayley and Drew Harrison |
| 400m & 4x400m Relay | Thomas Pitkin | Clonliffe Harriers AC | Linford Christie |
| 800m | John Fitzsimons | Kildare AC | Joe Ryan |
| 1500m | Luke McCann | Dublin City Harriers AC | Clark McCann |
| 1500m | Cathal Doyle | Clonliffe Harriers AC | Peter McDermott |
| 5000m | Fearghal Curtin | Youghal AC | Cory Leslie |
| 5000m | Micheal Power | West Waterford AC | David McCarthy |
| 5000m | Pierre Murchan | Dublin City Harriers AC | Mary McKenna |
| 10,000m | Barry Keane | Waterford AC | |
| 10,000m | Garry Campbell | Dunleer AC | Feidhlim Kelly |
| 3000m SC | Brian Fay | Raheny Shamrock AC | Feidhlim Kelly |
| 3000m SC | Paul O'Donnell | DSD AC | Donal Hennigan |
| High Jump | Donagh Mahon | Gowran AC | Liam Kealy |
| Pole Vault | Sean Roth | DSD AC | Christine Adams |
| Shot | Anu Awonusi | St. L. O'Toole AC | Paddy McGrath |
| Discus | Eoin Sheridan | North Westmeath AC | Peter Collins |
| Hammer | Owen Russell | St. Andrews AC | |
| 20km Walk | David Kenny | Farranfore Maine Valley AC | Rob Heffernan |
| 4x400m Relay | Shane Irwin | Finn Valley AC | Shauna Carlin |
| 4x400m Relay | Cillin Greene | Galway City Harriers AC | Jeremy Lyons |
| 4x400m Relay | Craig Newell | Ballymena & Antrim AC | Ian Neely |
| 4x400m Relay (Non Travelling Reserve) | Jamie Pender | St. Abban's AC | John Shields |
| Women | |||
| 100m & 4x100m Relay | Gina Akpe Moses | Blackrock AC | Marvin Rowe |
| 100m & 4x100m Relay | Ciara Neville | Emerald AC | Noelle Morrissey |
| 100m, 100mH & 4x100m Relay | Molly Scott | St. L. O'Toole AC | Deirdre Scott |
| 200m, 400m & 4x100m Relay | Sharlene Mawdsley | Newport AC | Gary Ryan |
| 200m & 400m | Sophie Becker | St. Joseph's AC | Jeremy Lyons |
| 800m & 1500m | Nadia Power | Templeogue AC | Enda Fitzpatrick |
| 800m | Jenna Bromell | Emerald AC | Noelle Morrissey |
| 800m | Louise Shanahan | Leevale AC | Ray Shanahan |
| 1500m | Roisin Flanagan | Carmen Runners | Damon Martin |
| 1500m | Stephanie Cotter | West Muskerry AC | Damon Martin |
| 10,000m | Siobhra O' Flaherty | St. L. O'Toole AC | Tony Mihalich |
| 10,000m | Claire Fagan | Mullingar Harriers AC | Damien Lawlor |
| 100mH & 4x100m Relay | Kate Doherty | DSD AC | Daniel Kilgallon & Terrie Cahill |
| 100mH & 4x100m Relay | Sarah Quinn | St.Colmans South Mayo | Jim Ryan & Brendan Glynn |
| 3000m SC | Eilish Flanagan | Carmen Runners | Damon Martin |
| Shot & Hammer | Michaela Walsh | Swinford AC | Michael Heneghan, Paddy Kelly & Sean Egan |
| Discus | Niamh Fogarty | North Westmeath AC | Peter Collins |
| Combined Events | Elizabeth Morland | Cushinstown AC | Phelim Joyce |
| 4x100m Relay | Aoife Lynch | Donore Harriers AC | John Geoghegan |
