| Name | Position | Party | Constituency |
|---|---|---|---|
| Bill Chambers | Councillor | Fianna Fáil | West Clare |
| Jack Chambers | TD | Fianna Fáil | Dublin West |
| Lisa Chambers | TD | Fianna Fáil | Mayo |
| James Charity | Councillor | Independent | Athenry-Oranmore |
| Nessa Childers | MEP | Independent | Dublin |
| Aine Clancy | Councillor | Labour | Ballymun |
| TJ Clare | Former Representative | Independent | |
| Sorca Clarke | Councillor | Sinn Féin | Mullingar-Kilbeggan |
| Michael Clarke | Councillor | Independent | Ballymote-Tubbercurry |
| Paul Clarke | Former Representative | Independent | |
| Peter Cleere | Councillor | Fianna Fáil | Kilkenny City East |
| John Clendennen | Councillor | Fine Gael | Birr |
| Shane Clifford | Former Representative | Fianna Fáil | |
| Lorraine Clifford-Lee | Senator | Fianna Fáil | Cultural and Educational Panel |
| Thomas Clonan | Former Representative | Independent | |
| Deirdre Clune | MEP | Fine Gael | South |
| Declan Clune | Councillor | Sinn Féin | Comeragh |
| Kathleen Codd-Nolan | Councillor | Fine Gael | Enniscorthy |
| Emma Coffey | Councillor | Fianna Fáil | Dundalk South |
| Paudie Coffey | Senator | Fine Gael | Taoiseach's Nominee |
| Emma Coffey | Former Representative | Fianna Fáil | |
| Oisín Patrick Coghlan | Former Representative | Independent | |
| Paul Coghlan | Senator | Fine Gael | Industrial and Commercial Panel |
| Eamonn Coghlan | Former Representative | Fine Gael | |
| Alan Coleman | Councillor | Independent | Bandon-Kinsale |
| Michael Coleman | Councillor | Fianna Fáil | Celbridge-Leixlip |
| Anne Colgan | Councillor | Independent | Blackrock |
| Bill Collentine | Councillor | Fianna Fáil | Mullingar-Coole |
| Clare Colleran Molloy | Councillor | Fianna Fáil | Ennis |
| Danny Collins | Councillor | Independent | West Cork |