| Name | Position | Party | Constituency |
|---|---|---|---|
| Pippa Hackett | Candidate | Unknown | Laois-Offaly |
| Gerry Hagan | Councillor | Unknown | Longford |
| Michelle Hall | Councillor | Unknown | Drogheda Rural |
| Lorraine Hall | Councillor | Unknown | Dún Laoghaire |
| John Halligan | TD | Independent | Waterford |
| Melisa Halpin | Councillor | People Before Profit Alliance | Dún Laoghaire |
| Peter Hamilton | Councillor | Green Party | Maynooth |
| Seamus Hanafin | Councillor | Fianna Fáil | Thurles |
| Mary Hanafin | Candidate | Fianna Fáil | Dún Laoghaire |
| Breda Hanaphy | Councillor | Unknown | Blanchardstown - Mulhuddart |
| Pat Hand | Former Representative | Fine Gael | |
| Paul Hand | Former Representative | Independent | |
| Owen Hanley | Councillor | Social Democrats | Galway City East |
| Mary Hannah Hourigan | Councillor | Fine Gael | Cashel-Tipperary |
| Dominic Hannigan | Former Representative | Labour | |
| Joe Hannigan | Candidate | Independent | Tipperary |
| Blaise Hanningan | Former Representative | Independent | |
| Wayne Harding | Councillor | Fianna Fáil | Laytown-Bettystown |
| Marian Harkin | Candidate | Independent | Sligo-Leitrim |
| Martin Harley | Candidate | Fine Gael | Donegal |
| Laura Harmon | Former Representative | Independent | |
| Noel Harrington | Former Representative | Fine Gael | |
| Simon Harris | Candidate | Fine Gael | Wicklow |
| Joe Harris | Former Representative | Independent | |
| Paddy Harte Jr | Former Representative | Fine Gael | |
| Seán Hartigan | Councillor | Green Party | Limerick City East |
| Natasha Harty | Former Representative | Green Party | |
| Michael Harty | TD | Independent | Clare |
| Declan Harvey | Councillor | Fianna Fáil | Tullamore |
| Seán Haughey | Candidate | Fianna Fáil | Dublin Bay North |