| Name | Position | Party | Constituency |
|---|---|---|---|
| John Carey | Former Representative | Fine Gael | |
| William Carey | Councillor | Sinn Féin | Clondalkin |
| PJ Carey | Councillor | Unknown | Cappamore-Kilmallock |
| Seán Carey | Councillor | Unknown | Belmullet |
| Ian Carey | Councillor | Green Party | Swords |
| Joe Carey | TD | Fine Gael | Clare |
| Cathleen Carney-Boud | Former Representative | Sinn Féin | |
| Brendan Carr | Former Representative | Labour | |
| Micheál Carrigy | Councillor | Fine Gael | Granard |
| 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 | TD | Fine Gael | Dún Laoghaire |
| Matt Carthy | TD | Sinn Féin | Cavan-Monaghan |
| Ger Carthy | Councillor | Independent | Rosslare |
| Colm Carthy | Councillor | Sinn Féin | Carrickmacross-Castleblayney |
| Pat Casey | Former Representative | Fianna Fáil | |
| Mark Casey | Councillor | Independent | Ballymahon |
| Peter Casey | Former Representative | Independent | |
| Shane Cassells | Former Representative | Fianna Fáil | |
| Marie Casserly | Councillor | Unknown | Sligo-Drumcliff |
| Marie Casserly | Former Representative | Independent | |
| Vicki Casserly | Councillor | Fine Gael | Lucan |
| 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 |
| Daniel Céitinn | Councillor | Sinn Féin | South East Inner City |