Pemimpin Oposisi (Irlandia)
Daftar Pemimpin Oposisi Irlandia

Pemimpin Oposisi yang menjadi Taoiseach diberi efek tebal pada namanya.
| Nama (Lahir–Wafat) | Potret | Daerah Pemilihan | Lama Menjabat> Mulai | Lama Menjabat> Selesai | Partai | Partai | Taoiseach | Taoiseach |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Éamon de Valera (1882–1975) |  | Clare | 9 Januari 1922 | 8 Juni 1922 |  | Sinn Féin (Anti-Treaty) |  | Arthur Griffith (1922) |
| Thomas Johnson (1872–1963) |  | Dublin County | 9 September 1922 | 11 Agustus 1927 |  | Labour Party |  | W. T. Cosgrave (1922–1932) |
| Éamon de Valera (1882–1975) |  | Clare | 11 Agustus 1927 | 9 Maret 1932 |  | Fianna Fáil |  | W. T. Cosgrave (1922–1932) |
| W. T. Cosgrave (1880–1965) |  | Cork Borough | 9 Maret 1932 | Januari 1944 |  | Cumann na nGaedheal |  | Éamon de Valera (1932–1948) |
| W. T. Cosgrave (1880–1965) |  | Cork Borough | 9 Maret 1932 | Januari 1944 |  | Fine Gael |  | Éamon de Valera (1932–1948) |
| Thomas F. O'Higgins (1890–1953) |  | Leix–Offaly | Januari 1944 | 9 Juni 1944 |  | Fine Gael |  | Éamon de Valera (1932–1948) |
| Richard Mulcahy (1886–1971) |  | Tipperary | 9 Juni 1944 | 18 Februari 1948 |  | Fine Gael |  | Éamon de Valera (1932–1948) |
| Éamon de Valera (1882–1975) |  | Clare | 18 Februari 1948 | 13 Juni 1951 |  | Fianna Fáil |  | John A. Costello (1948–1951) |
| John A. Costello (1891–1976) |  | Dublin South-East | 13 Juni 1951 | 2 Juni 1954 |  | Fine Gael |  | Éamon de Valera (1951–1954) |
| Éamon de Valera (1882–1975) |  | Clare | 2 Juni 1954 | 20 Maret 1957 |  | Fianna Fáil |  | John A. Costello (1954–1957) |
| John A. Costello (1891–1976) |  | Dublin South-East | 20 Maret 1957 | 21 Oktober 1959 |  | Fine Gael |  | Éamon de Valera (1957–1959) |
| John A. Costello (1891–1976) |  | Dublin South-East | 20 Maret 1957 | 21 Oktober 1959 |  | Fine Gael |  | Seán Lemass (1959–1966) |
| James Dillon (1902–1986) |  | Monaghan | 21 Oktober 1959 | 21 April 1965 |  | Fine Gael |  | Seán Lemass (1959–1966) |
| Liam Cosgrave (1920–2017) |  | Dún Laoghaire and Rathdown | 21 April 1965 | 14 Maret 1973 |  | Fine Gael |  | Seán Lemass (1959–1966) |
| Liam Cosgrave (1920–2017) |  | Dún Laoghaire and Rathdown | 21 April 1965 | 14 Maret 1973 |  | Fine Gael |  | Jack Lynch (1966–1973) |
| Jack Lynch (1917–1999) |  | Cork City North-West | 14 Maret 1973 | 5 Juli 1977 |  | Fianna Fáil |  | Liam Cosgrave (1973–1977) |
| Garret FitzGerald (1926–2011) |  | Dublin South-East | 5 Juli 1977 | 30 Juni 1981 |  | Fine Gael |  | Jack Lynch (1977–1979) |
| Garret FitzGerald (1926–2011) |  | Dublin South-East | 5 Juli 1977 | 30 Juni 1981 |  | Fine Gael |  | Charles Haughey (1979–1981) |
| Charles Haughey (1925–2006) |  | Dublin North-Central | 30 Juni 1981 | 9 Maret 1982 |  | Fianna Fáil |  | Garret FitzGerald (1981–1982) |
| Garret FitzGerald (1926–2011) |  | Dublin South-East | 9 Maret 1982 | 14 Desember 1982 |  | Fine Gael |  | Charles Haughey (1982) |
| Charles Haughey (1925–2006) |  | Dublin North-Central | 14 Desember 1982 | 10 Maret 1987 |  | Fianna Fáil |  | Garret FitzGerald (1982–1987) |
| Alan Dukes (born 1945) |  | Kildare | 10 Maret 1987 | 20 November 1990 |  | Fine Gael |  | Charles Haughey (1987–1992) |
| John Bruton (born 1947) |  | Meath | 20 November 1990 | 15 Desember 1994 |  | Fine Gael |  | Charles Haughey (1987–1992) |
| John Bruton (born 1947) |  | Meath | 20 November 1990 | 15 Desember 1994 |  | Fine Gael |  | Albert Reynolds (1992–1994) |
| Bertie Ahern (born 1951) |  | Dublin Central | 15 Desember 1994 | 26 Juni 1997 |  | Fianna Fáil |  | John Bruton (1994–1997) |
| John Bruton (born 1947) |  | Meath | 26 Juni 1997 | 9 Februari 2001 |  | Fine Gael |  | Bertie Ahern (1997–2008) |
| Michael Noonan (born 1943) |  | Limerick East | 9 Februari 2001 | 6 Juni 2002 |  | Fine Gael |  | Bertie Ahern (1997–2008) |
| Enda Kenny (born 1951) |  | Mayo | 6 Juni 2002 | 9 Maret 2011 |  | Fine Gael |  | Bertie Ahern (1997–2008) |
| Enda Kenny (born 1951) |  | Mayo | 6 Juni 2002 | 9 Maret 2011 |  | Fine Gael |  | Brian Cowen (2008–2011) |
| Micheál Martin (born 1960) |  | Cork South-Central | 9 Maret 2011 | 27 Juni 2020 |  | Fianna Fáil |  | Enda Kenny (2011–2017) |
| Micheál Martin (born 1960) |  | Cork South-Central | 9 Maret 2011 | 27 Juni 2020 |  | Fianna Fáil |  | Leo Varadkar (2017–2020) |
| Mary Lou McDonald (born 1969) |  | Dublin Central | 27 Juni 2020 | Petahana |  | Sinn Féin |  | Micheál Martin (2020–2022) |
| Mary Lou McDonald (born 1969) |  | Dublin Central | 27 Juni 2020 | Petahana |  | Sinn Féin |  |  |