| Name | Position | Party | Constituency |
|---|---|---|---|
| Pippa Hackett | Former Representative | Unknown | |
| Michelle Hall | Former Representative | Unknown | |
| Lorraine Hall | Former Representative | Unknown | |
| John Halligan | TD | Independent | Waterford |
| Melisa Halpin | Councillor | People Before Profit Alliance | Dún Laoghaire |
| Peter Hamilton | Former Representative | Unknown | |
| Seamus Hanafin | Councillor | Fianna Fáil | Templemore-Thurles |
| Mary Hanafin | Councillor | Fianna Fáil | Blackrock |
| Brenda Hanaphy | Former Representative | Unknown | |
| Pat Hand | Councillor | Fine Gael | Dundrum |
| Paul Hand | Councillor | Independent | Ballyfermot-Drimnagh |
| Owen Hanley | Former Representative | Unknown | |
| Mary Hannah Hourigan | Councillor | Fine Gael | Cashel-Tipperary |
| Dominic Hannigan | Former Representative | Labour | |
| Joe Hannigan | Councillor | Independent | Nenagh |
| Blaise Hanningan | Councillor | Independent | Tramore-Waterford City West |
| Wayne Harding | Councillor | Fianna Fáil | Laytown-Bettystown |
| Marian Harkin | MEP | Independent | Midlands-North-West |
| Martin Harley | Councillor | Fine Gael | Stranorlar |
| Laura Harmon | Former Representative | Independent | |
| Noel Harrington | Former Representative | Fine Gael | |
| Simon Harris | TD | Fine Gael | Wicklow |
| Joe Harris | Councillor | Independent | Ballincollig-Carrigaline |
| Paddy Harte Jr | Former Representative | Fine Gael | |
| Seán Hartigan | Former Representative | Unknown | |
| Natasha Harty | Former Representative | Green Party | |
| Michael Harty | TD | Independent | Clare |
| Declan Harvey | Councillor | Fianna Fáil | Tullamore |
| Seán Haughey | TD | Fianna Fáil | Dublin Bay North |
| Aideen Hayden | Former Representative | Labour |