The spouse of the Taoiseach is the wife, husband or domestic partner of the Taoiseach of Ireland. The term "spouse of the Taoiseach" is not used in any official context.
The spouse of the Taoiseach often plays a public role accompanying their husband/partner in their duties as head of government at public events.[1]
| Louisa Flanagan | 1919–1965 | W. T. Cosgrave | |
| Sinéad Ní Fhlannagáin | 1910–1975 | Éamon de Valera | |
| Ida Mary O'Malley | 1919–1956 | John A. Costello | |
| Kathleen Hughes | 1924–1971 | Seán Lemass | |
| Máirín O'Connor | 1946–1999 | Jack Lynch | |
| Vera Osborne | 1952–2016 | Liam Cosgrave | |
| Maureen Lemass | 1951–2006 | Charles Haughey | |
| Joan O'Farrell | 1947–1999 | Garret FitzGerald | |
| Kathleen Coen | 1960–2014 | Albert Reynolds | |
| Finola Gill | 1978–2024 | John Bruton | |
| 1975–1992 (sep.) | Bertie Ahern | ||
| Celia Larkin | 1996–2003 | ||
| Mary Molloy | 1994–present | Brian Cowen | |
| Fionnuala O'Kelly | 1992–present | Enda Kenny | |
| Matthew Barrett | 2015–present | Leo Varadkar | |
| Mary O'Shea | 1989–present | Micheál Martin |