| Name | Position | Party | Constituency |
|---|---|---|---|
| Seán Carey | Councillor | Unknown | Belmullet |
| Ian Carey | Councillor | Green Party | Swords |
| Joe Carey | Candidate | Fine Gael | Clare |
| Cathleen Carney-Boud | Former Representative | Sinn Féin | |
| Brendan Carr | Former Representative | Labour | |
| Micheál Carrigy | Candidate | Fine Gael | Longford-Westmeath |
| John Carroll | Councillor | Fianna Fáil | Newport |
| John Carroll | Councillor | Independent | Birr |
| Joe Carroll | Councillor | Fianna Fáil | Skibbereen-West Cork |
| Liam Carroll | Councillor | Unknown | Athenry-Oranmore |
| Jennifer Carroll Macneill | Candidate | Fine Gael | Dún Laoghaire |
| Matt Carthy | Candidate | Sinn Féin | Cavan-Monaghan |
| Ger Carthy | Candidate | Independent | Wexford |
| Colm Carthy | Councillor | Sinn Féin | Carrickmacross-Castleblayney |
| Pat Casey | Candidate | Fianna Fáil | Wicklow |
| Mark Casey | Councillor | Independent | Ballymahon |
| Peter Casey | Candidate | Independent | Donegal |
| Shane Cassells | Candidate | Fianna Fáil | Meath West |
| Marie Casserly | Councillor | Unknown | Sligo-Drumcliff |
| Marie Casserly | Former Representative | Independent | |
| Vicki Casserly | Candidate | Fine Gael | Dublin Mid-West |
| Eugene Cassidy | Councillor | Fine Gael | Kells |
| Alan Anthony Cassidy | Former Representative | Sinn Féin | |
| John Cassin | Councillor | Sinn Féin | Carlow |
| John Caulfield | Councillor | Fianna Fáil | Swinford |
| Mary Cavanagh | Councillor | Fine Gael | Castlecomer |
| Bill Chambers | Councillor | Fianna Fáil | Kilrush |
| Jack Chambers | Candidate | Fianna Fáil | Dublin West |
| Lisa Chambers | Candidate | Fianna Fáil | Mayo |
| James Charity | Councillor | Independent | Athenry-Oranmore |