| Name | Position | Party | Constituency |
|---|---|---|---|
| Des Cahill | Councillor | Fine Gael | Cork City South-East |
| Michael Cahill | Councillor | Independent | Kenmare |
| Jackie Cahill | TD | Fianna Fáil | Tipperary |
| Mick Cahill | Councillor | Fianna Fáil | Ballymahon |
| Bernard Caldwell | Councillor | Independent | Leixlip |
| Mary Callaghan | Councillor | Social Democrats | Ballymun - Finglas |
| Liam Callaghan | Councillor | Unknown | Boyle |
| Kevin Callan | Councillor | Independent | Drogheda Urban |
| Dara Calleary | TD | Fianna Fáil | Mayo |
| Aidan Campbell | Councillor | Fine Gael | Carrickmacross-Castleblayney |
| Seán Canney | TD | Independent | Galway East |
| Ivan Canning | Councillor | Fianna Fáil | Loughrea |
| Paul Canning | Councillor | Fianna Fáil | Buncrana |
| Ciaran Cannon | TD | Fine Gael | Galway East |
| Derry Canty | Councillor | Fine Gael | Cork City South West |
| William Carey | Councillor | Sinn Féin | Clondalkin |
| PJ Carey | Councillor | Unknown | Cappamore-Kilmallock |