| Name | Position | Party | Constituency |
|---|---|---|---|
| Hugh D Conlon | Councillor | Unknown | Ardee |
| Marcia D'Alton | Councillor | Independent | Carrigaline |
| Andrea Dalton | Councillor | Fianna Fáil | Carlow |
| Ben Dalton O’Sullivan | Councillor | Unknown | Carrigaline |
| Clare Daly | MEP | Independents 4 Change | Dublin |
| Paul Daly | Senator | Fianna Fáil | Agricultural Panel |
| Mark Daly | Senator | Fianna Fáil | Administrative Panel |
| Frankie Daly | Councillor | Labour | Limerick City North |
| Pa Daly | TD | Sinn Féin | Kerry |
| Pat Daly | Councillor | Fianna Fáil | Ennis |
| Davy Daniels | Councillor | Independent | Waterford City East |
| Gerard Darcy | Councillor | Fine Gael | Nenagh |
| Aoife Davitt | Councillor | Fianna Fáil | Mullingar |
| Aidan Davitt | Senator | Fianna Fáil | Industrial and Commercial Panel |