| Name | Position | Party | Constituency |
|---|---|---|---|
| Louise Heavin | Councillor | Green Party | Athlone (Westmeath) |
| John Hegarty | Councillor | Fine Gael | Wexford |
| Michael Hegarty | Councillor | Fine Gael | Midleton |
| Adrian Henchy | Councillor | Fianna Fáil | Rush - Lusk |
| Deirdre Heney | Councillor | Fianna Fáil | Clontarf |
| Shelly Herterich-Quinn | Councillor | Unknown | Athenry-Oranmore |
| Martin Heydon | TD | Fine Gael | Kildare South |
| Alice-Mary Higgins | Senator | Independent | National University of Ireland |
| Clodagh Higgins | Councillor | Fine Gael | Galway City West |
| Emer Higgins | TD | Fine Gael | Dublin Mid-West |
| Paddy Hill | Councillor | Fianna Fáil | Kinnegad |
| Mary Hoade | Councillor | Fianna Fáil | Tuam |
| Eddie Hoare | Councillor | Unknown | Galway City Central |
| Annie Hoey | Senator | Labour | Agricultural Panel |