| Name | Position | Party | Constituency |
|---|---|---|---|
| Grace Tallon | Former Representative | Labour | |
| Shane Talty | Councillor | Fianna Fáil | Ennistimon |
| Abul Kalam Azad Taludker | Councillor | Fianna Fáil | Limerick City West |
| Paul Taylor | Councillor | Fianna Fáil | Ballymote-Tubbercurry |
| Brigid Teefy | Councillor | Independent | Cappamore-Kilmallock |
| Jim Tenanty | Councillor | Independent | Ardee |
| Adam Teskey | Councillor | Fine Gael | Adare-Rathkeale |
| Noel Thomas | Councillor | Fianna Fáil | Conamara South |
| Brendan Thornhill | Former Representative | Independent | |
| Aoife Thornton | Councillor | Fine Gael | Listowel |
| Billy Timmins | Former Representative | Fine Gael | |
| Edward Timmins | Councillor | Fine Gael | Baltinglass |
| Francis Timmons | Councillor | Independent | Clondalkin |
| Eithna Tinney | Former Representative | Independent | |
| Alan Tobin | Councillor | Fine Gael | Ashbourne |
| James Tobin | Councillor | Fianna Fáil | Lismore |
| Peadar Tóibín | TD | Aontú | Meath West |
| Mairéad Tóibín | Former Representative | Aontú | |
| Emer Tóibín | Councillor | Aontú | Navan |
| Sharon Tolan | Councillor | Fine Gael | Laytown-Bettystown |
| Aislinn Tongue | Former Representative | Independent | |
| Gillian Toole | Councillor | Unknown | Ratoath |
| Finian Toomey | Former Representative | Aontú | |
| Conor Tormey | Councillor | Fianna Fáil | Ashbourne |
| Aoibhinn Tormey | Councillor | Unknown | Howth-Malahide |
| Natalie Treacy | Councillor | Sinn Féin | Castleknock |
| Seamus Treanor | Councillor | Independent | Monaghan |
| Pat Treanor | Councillor | Sinn Féin | Ballybay-Clones |
| Robert Troy | TD | Fianna Fáil | Longford-Westmeath |
| Richard Truell | Councillor | Fine Gael | Ballybay-Clones |