| President of the Executive Council |
| No. | Portrait | Name(Birth–Death)Constituency | Term of office | Party | Exec. CouncilComposition | Vice President | Dáil(elected) |
| 1 | | W. T. Cosgrave(1880–1965)TD for Carlow–Kilkenny until 1927TD for Cork Borough from 1927 | 6 December1922 | 9 March1932 | Sinn Féin(Pro-Treaty) | 1st | SF (PT) (minority) | | Kevin O'Higgins | 3 (1922) |
| Cumann na nGaedheal | 2nd | CnG (minority) | 4 (1923) |
| 3rd | Ernest Blythe | 5 (Jun.1927) |
| 4th | 6 (Sep.1927) |
| 5th |
| 2 | | Éamon de Valera(1882–1975)TD for Clare | 9 March1932 | 29 December1937 | Fianna Fáil | 6th | FF (minority) | | Seán T. O'Kelly | 7 (1932) |
| 7th | 8 (1933) |
| 8th | 9 (1937) |
| Taoiseach |
| No. | Portrait | Name(Birth–Death)Constituency | Term of office | Party | GovernmentComposition | Tánaiste | Dáil(elected) |
| (2) | | Éamon de Valera(1882–1975)TD for Clare | 29 December1937 | 18 February1948 | Fianna Fáil | 1st | FF (minority) | | Seán T. O'Kelly | 9 ( ···· ) |
| 2nd | FF | 10 (1938) |
| 3rd | FF (minority) | 11 (1943) |
| 4th | FF | | Seán Lemass | 12 (1944) |
| 3 | | John A. Costello(1891–1976)TD for Dublin South-East | 18 February1948 | 13 June1951 | Fine Gael | 5th | FG–Lab–CnP–CnT–NL–Ind | | William Norton | 13 (1948) |
| (2) | | Éamon de Valera(1882–1975)TD for Clare | 13 June1951 | 2 June1954 | Fianna Fáil | 6th | FF (minority) | | Seán Lemass | 14 (1951) |
| (3) | | John A. Costello(1891–1976)TD for Dublin South-East | 2 June1954 | 20 March1957 | Fine Gael | 7th | FG–Lab–CnT | | William Norton | 15 (1954) |
| (2) | | Éamon de Valera(1882–1975)TD for Clare | 20 March1957 | 23 June1959 | Fianna Fáil | 8th | FF | | Seán Lemass | 16 (1957) |
| 4 | | Seán Lemass(1899–1971)TD for Dublin South-Central | 23 June1959 | 10 November1966 | Fianna Fáil | 9th | FF | | Seán MacEntee |
| 10th | FF (minority) | 17 (1961) |
| 11th | FF | | Frank Aiken | 18 (1965) |
| 5 | | Jack Lynch(1917–1999)TD for Cork Borough until 1969TD for Cork City North-West from 1969 | 10 November1966 | 14 March1973 | Fianna Fáil | 12th | FF |
| 13th | FF | | Erskine H. Childers | 19 (1969) |
| 6 | | Liam Cosgrave(1920–2017)TD for Dún Laoghaire and Rathdown | 14 March1973 | 5 July1977 | Fine Gael | 14th | FG–Lab | | Brendan Corish | 20 (1973) |
| (5) | | Jack Lynch(1917–1999)TD for Cork City | 5 July1977 | 11 December1979 | Fianna Fáil | 15th | FF | | George Colley | 21 (1977) |
| 7 | | Charles Haughey(1925–2006)TD for Dublin Artane | 11 December1979 | 30 June1981 | Fianna Fáil | 16th | FF |
| 8 | | Garret FitzGerald(1926–2011)TD for Dublin South-East | 30 June1981 | 9 March1982 | Fine Gael | 17th | FG–Lab (minority) | | Michael O'Leary | 22 (1981) |
| (7) | | Charles Haughey(1925–2006)TD for Dublin North-Central | 9 March1982 | 14 December1982 | Fianna Fáil | 18th | FF (minority) | | Ray MacSharry | 23 (Feb.1982) |
| (8) | | Garret FitzGerald(1926–2011)TD for Dublin South-East | 14 December1982 | 10 March1987 | Fine Gael | 19th | FG–LabFG (minority) from Jan 1987 | | Dick Spring | 24 (Nov.1982) |
| | Peter Barry |
| (7) | | Charles Haughey(1925–2006)TD for Dublin North-Central | 10 March1987 | 11 February1992 | Fianna Fáil | 20th | FF (minority) | | Brian Lenihan | 25 (1987) |
| 21st | FF–PD | 26 (1989) |
| | John Wilson |
| 9 | | Albert Reynolds(1932–2014)TD for Longford–Roscommon | 11 February1992 | 15 December1994 | Fianna Fáil | 22nd | FF–PDFF (minority) from Nov 1992 |
| 23rd | FF–LabFF (minority) from Nov 1994 | | Dick Spring | 27 (1992) |
| | Bertie Ahern |
| 10 | | John Bruton(1947–2024)TD for Meath | 15 December1994 | 26 June1997 | Fine Gael | 24th | FG–Lab–DL | | Dick Spring |
| 11 | | Bertie Ahern(b. 1951)TD for Dublin Central | 26 June1997 | 7 May2008 | Fianna Fáil | 25th | FF–PD (minority) | | Mary Harney | 28 (1997) |
| 26th | FF–PD | 29 (2002) |
| Michael McDowell |
| 27th | FF–Green–PD | | Brian Cowen | 30 (2007) |
| 12 | | Brian Cowen(b. 1960)TD for Laois–Offaly | 7 May2008 | 9 March2011 | Fianna Fáil | 28th | FF–Green–PDFF–Green–Ind from Nov 2009FF (minority) from Jan 2011 | | Mary Coughlan |
| 13 | | Enda Kenny(b. 1951)TD for Mayo | 9 March2011 | 14 June2017 | Fine Gael | 29th | FG–Lab | | Eamon Gilmore | 31 (2011) |
| | Joan Burton |
| 30th | FG–Ind (minority) | | Frances Fitzgerald | 32 (2016) |
| 14 | | Leo Varadkar(b. 1979)TD for Dublin West | 14 June2017 | 27 June2020 | Fine Gael | 31st | FG–Ind (minority) |
| Simon Coveney |
| 15 | | Micheál Martin(b. 1960)TD for Cork South-Central | 27 June2020 | 17 December2022 | Fianna Fáil | 32nd | FF–FG–Green | | Leo Varadkar | 33 (2020) |