| Name | Position | Party | Constituency |
|---|---|---|---|
| Pat Treanor | Councillor | Sinn Féin | Ballybay-Clones |
| Robert Troy | TD | Fianna Fáil | Longford-Westmeath |
| Richard Truell | Councillor | Fine Gael | Ballybay-Clones |
| Joanna Tuffy | Councillor | Labour | Lucan |
| Pauline Tully | TD | Sinn Féin | Cavan-Monaghan |
| Oliver Tully | Former Representative | Fine Gael | |
| Eileen Tully | Councillor | Fine Gael | Drogheda Rural |
| Noel Tuohy | Councillor | Labour | Portlaoise |
| Liam Twomey | Former Representative | Fine Gael | |
| Danielle Twomey | Councillor | Sinn Féin | Midleton |
| Kenny Tynan | Former Representative | People Before Profit | |
| Stephen Tynan | Former Representative | People Before Profit | |
| Ted Tynan | Councillor | Workers Party | Cork City North East |
| Sarah Tyrell | Former Representative | Renua Ireland | |
| Sean Tyrrell | Former Representative | Sinn Féin | |
| Kamal Uddin | Former Representative | Labour | |
| Roisín Uí Bhroin | Former Representative | People Before Profit | |
| Oghenetano John Uwhumiakpor | Former Representative | People Before Profit | |
| Liam van der Spek | Former Representative | Labour | |
| Jillian van Turnhout | Former Representative | Independent | |
| Pat Vance | Former Representative | Fianna Fáil | |
| Leo Varadkar | TD | Fine Gael | Dublin West |
| Michael W. D'Arcy | Former Representative | Fine Gael | |
| Deirdre Wadding | Former Representative | People Before Profit | |
| Deirdre Wadding | Former Representative | People Before Profit | |
| Matthew Waine | Former Representative | Solidarity | |
| Anthony Waldron | Councillor | Unknown | Roscommon |
| Tony Waldron | Former Representative | Unknown | |
| Johnnie Wall | Councillor | Fianna Fáil | Tralee |
| Jack Wall | Former Representative | Labour |