| Name | Position | Party | Constituency |
|---|---|---|---|
| Niall Collins | TD | Fianna Fáil | Limerick County |
| John Collins | Councillor | Independent | Ballincollig-Carrigaline |
| Noel Collins | Councillor | Independent | East Cork |
| MIchael Collins | TD | Independent | Cork South-West |
| Kenneth Collins | Councillor | Sinn Féin | Cork City North-West |
| James Collins | Councillor | Fianna Fáil | Limerick City West |
| Michael Collins | Councillor | Fianna Fáil | Newcastle West |
| Timmy Collins | Councillor | Independent | Kanturk-Mallow |
| Michael Colreavy | Former Representative | Sinn Féin | |
| Michael Comiskey | Former Representative | Fine Gael | |
| Michael Conaghan | Former Representative | Labour | |
| Tom Conaghan | Councillor | Independent | Donegal |
| Sean Conlan | Former Representative | Independent | |
| Sean Conlon | Councillor | Sinn Féin | Monaghan |
| Anthony Connaghan | Councillor | Sinn Féin | Cabra-Finglas |
| Ivan Connaughton | Councillor | Fianna Fáil | Athlone (Roscommon) |
| Paul Connaughton Jnr | Former Representative | Fine Gael | |
| Padraig Conneely | Councillor | Fine Gael | Galway City Central |
| Noel Connell | Councillor | Sinn Féin | Ballyjamesduff |
| Thomasina Connell | Former Representative | Fine Gael | |
| Billy Connelly | Councillor | Independent | Tuam |
| Anthony Connick | Councillor | Independent | New Ross |
| John Connolly | Former Representative | Fianna Fáil | |
| Michael Connolly | Councillor | Fianna Fáil | Ballinasloe |
| Paudge Connolly | Councillor | Independent | Monaghan |
| Catherine Connolly | TD | Independent | Galway West |
| Dermot Connolly | Councillor | Sinn Féin | Ballinasloe |
| Tom Connolly | Councillor | Fine Gael | Claremorris |
| Dominick Connolly | Councillor | Independent | Roscommon |
| Colette Connolly | Councillor | Independent | Galway City West |