# Prime Minister of Iceland

The prime minister of Iceland (Icelandic: Forsætisráðherra Íslands) is head of government of the Republic of Iceland. The prime minister is appointed formally by the president and exercises executive authority along with the cabinet subject to parliamentary support.

## Constitutional basis

The prime minister is appointed by the president under the Constitution of Iceland, Section II Article 17, and chairs the Cabinet of Iceland:
    Fundunum stjórnar sá ráðherra, er forseti lýðveldisins hefur kvatt til forsætis, og nefnist hann forsætisráðherra.
    The [cabinet] meetings shall be presided over by the Minister called upon by the President of the Republic to do so, who is designated Prime Minister.

## Locations

The prime minister's office is located in the Governing Council (Stjórnarráðið), Reykjavik, where their secretariat is based and where cabinet meetings are held. The prime minister has a summer residence, Þingvallabær in Þingvellir. The prime minister also has a reception house in Tjarnargata, Reykjavik, which was the prime ministerial residence until 1943.
* Stjórnarráðið in Reykjavík, the Prime Minister's Office
* Þingvallabær, the Prime Minister's summer residence

## List of previous prime ministers
### Home Rule (1904–1918)

| No. | Name (Birth–Death) Constituency | Took office | Left office | Party |
| 1 | Hannes Hafstein (1861–1922) MP for Eyjafjarðarsýsla | 1 February 1904 | 31 March 1909 | Home Rule Party |
| 2 | Björn Jónsson (1846–1912) MP for Barðastrandarsýsla | 31 March 1909 | 14 March 1911 | Independence Party |
| 3 | Kristján Jónsson (1852–1926) MP for Borgarfjarðarsýsla | 14 March 1911 | 24 July 1912 | Independent |
| (1) | Hannes Hafstein (1861–1922) MP for Eyjafjarðarsýsla | 24 July 1912 | 21 July 1914 | Union Party |
| 4 | Sigurður Eggerz (1875–1945) MP for West Skaftafellssýsla | 21 July 1914 | 4 May 1915 | Independence Party |
| 5 | Einar Arnórsson (1880–1955) MP for Árnessýsla | 4 May 1915 | 4 January 1917 | Independence Party (Langsum) |

### Kingdom (1918–1944)

Political party:  Home Rule  Independence  Conservative  Progressive  Independent
| No. | Portrait | Name (Birth–Death) Constituency | Term of office | Term of office | Term of office | Term of office | Political Party | Political Party | Cabinet | Election | Monarch (Reign) |
| No. | Portrait | Name (Birth–Death) Constituency | # | Took office | Left office | Days | Political Party | Political Party | Cabinet | Election | Monarch (Reign) |
| 6 | | Jón Magnússon (1859–1926) MP for Reykjavík until 1920 not in Parliament from 1920 | 1 | 4 January 1917 | 25 February 1920 | 1888 | | Home Rule Party | HP–IP–PP | Oct. 1916 | Kristján X (1918–1944) |
| 6 | | Jón Magnússon (1859–1926) MP for Reykjavík until 1920 not in Parliament from 1920 | 2 | 25 February 1920 | 7 March 1922 | 1888 | | Home Rule Party | HP–others | 1919 | Kristján X (1918–1944) |
| (4) | | Sigurður Eggerz (1875–1945) MP without constituency | 1 | 7 March 1922 | 22 March 1924 | 746 | | Independence Party | IP–others | 1919 | Kristján X (1918–1944) |
| (4) | | Sigurður Eggerz (1875–1945) MP without constituency | 1 | 7 March 1922 | 22 March 1924 | 746 | | Independence Party | IP–others | 1923 | Kristján X (1918–1944) |
| (6) | | Jón Magnússon (1859–1926) MP without constituency | 3 | 22 March 1924 | 23 June 1926 (died) | 823 | | Conservative Party | CP | 1923 | Kristján X (1918–1944) |
| 7 | | Magnús Guðmundsson Acting (1879–1937) MP for Skagafjarðarsýsla | 3 | 23 June 1926 | 8 July 1926 | 15 | | Conservative Party | CP | 1923 | Kristján X (1918–1944) |
| 8 | | Jón Þorláksson (1877–1935) MP without constituency | 1 | 8 July 1926 | 28 August 1927 | 416 | | Conservative Party | CP | 1923 | Kristján X (1918–1944) |
| 9 | | Tryggvi Þórhallsson (1889–1935) MP for Strandasýsla | 1 | 28 August 1927 | 3 June 1932 | 1741 | | Progressive Party | PP | 1927 | Kristján X (1918–1944) |
| 9 | | Tryggvi Þórhallsson (1889–1935) MP for Strandasýsla | 1 | 28 August 1927 | 3 June 1932 | 1741 | | Progressive Party | PP | 1931 | Kristján X (1918–1944) |
| 10 | | Ásgeir Ásgeirsson (1894–1972) MP for West Ísafjarðarsýsla | 1 | 3 June 1932 | 28 July 1934 | 785 | | Progressive Party | PP–IP–Peasants | 1931 | Kristján X (1918–1944) |
| 10 | | Ásgeir Ásgeirsson (1894–1972) MP for West Ísafjarðarsýsla | 1 | 3 June 1932 | 28 July 1934 | 785 | | Progressive Party | PP–IP–Peasants | 1933 | Kristján X (1918–1944) |
| 11 | | Hermann Jónasson (1896–1976) MP for Strandasýsla | 1 | 28 July 1934 | 16 May 1942 | 2849 | | Progressive Party | PP–SDP | 1934 | Kristján X (1918–1944) |
| 11 | | Hermann Jónasson (1896–1976) MP for Strandasýsla | 2 | 28 July 1934 | 16 May 1942 | 2849 | | Progressive Party | PP | 1937 | Kristján X (1918–1944) |
| 11 | | Hermann Jónasson (1896–1976) MP for Strandasýsla | 3 | 28 July 1934 | 16 May 1942 | 2849 | | Progressive Party | PP–IP–SDP | 1937 | Kristján X (1918–1944) |
| 11 | | Hermann Jónasson (1896–1976) MP for Strandasýsla | 4 | 28 July 1934 | 16 May 1942 | 2849 | | Progressive Party | PP–IP–SDP | 1937 | Kristján X (1918–1944) |
| 12 | | Ólafur Thors (1892–1964) MP for Gullbringu and Kjósarsýsla | 1 | 16 May 1942 | 16 December 1942 | 214 | | Independence Party | IP | Jul. 1942 | Kristján X (1918–1944) |
| 12 | | Ólafur Thors (1892–1964) MP for Gullbringu and Kjósarsýsla | 1 | 16 May 1942 | 16 December 1942 | 214 | | Independence Party | IP | Oct. 1942 | Kristján X (1918–1944) |
| 13 | | Björn Þórðarson (1879–1963) Not in Parliament | 1 | 16 December 1942 | 21 October 1944 | 675 | | Independent | | Oct. 1942 | Kristján X (1918–1944) |

### Republic (1944–present)

Political party:  Independence  Progressive  Social Democratic Party  Social Democratic Alliance  Left-Green
| No. | Portrait | Name (Birth–Death) Constituency | Term of office | Term of office | Term of office | Term of office | Political Party | Cabinet | Election | President (term) |
| No. | Portrait | Name (Birth–Death) Constituency | # | Took Office | Left Office | Days | Political Party | Cabinet | Election | President (term) |
| (12) | | Ólafur Thors (1892–1964) MP for Gullbringu and Kjósarsýsla | 2 | 21 October 1944 | 4 February 1947 | 836 | Independence Party | IP–SDP–SP | 1946 | Sveinn Björnsson (1944–1952) |
| 14 | | Stefán Jóhann Stefánsson (1894–1980) MP for Eyjafjarðarsýsla | 1 | 4 February 1947 | 6 December 1949 | 1036 | Social Democratic Party | IP–SDP–SP | 1946 | Sveinn Björnsson (1944–1952) |
| (12) | | Ólafur Thors (1892–1964) MP for Gullbringu and Kjósarsýsla | 3 | 6 December 1949 | 14 March 1950 | 98 | Independence Party | IP | 1949 | Sveinn Björnsson (1944–1952) |
| 15 | | Steingrímur Steinþórsson (1893–1966) MP for Skagafjarðarsýsla | 1 | 14 March 1950 | 11 September 1953 | 1277 | Progressive Party | PP–IP | 1949 | Sveinn Björnsson (1944–1952) |
| (12) | | Ólafur Thors (1892–1964) MP for Gullbringu and Kjósarsýsla | 4 | 11 September 1953 | 24 July 1956 | 1035 | Independence Party | PP–IP | 1953 | Ásgeir Ásgeirsson (1952–1968) |
| (11) | | Hermann Jónasson (1896–1976) MP for Strandasýsla | 5 | 24 July 1956 | 23 December 1958 | 894 | Progressive Party | PP–SDP–PA | 1956 | Ásgeir Ásgeirsson (1952–1968) |
| 16 | | Emil Jónsson (1902–1986) MP for Hafnarfjörður | 1 | 23 December 1958 | 20 November 1959 | 332 | Social Democratic Party | SDP | Jun. 1959 | Ásgeir Ásgeirsson (1952–1968) |
| (12) | | Ólafur Thors (1892–1964) MP for Gullbringu and Kjósarsýsla | 5 | 20 November 1959 | 8 September 1961 | 658 | Independence Party | IP–SDP | Oct. 1959 | Ásgeir Ásgeirsson (1952–1968) |
| 17 | | Bjarni Benediktsson Acting (1908–1970) MP for Reykjavík | 5 | 8 September 1961 | 31 December 1961 | 114 | Independence Party | IP–SDP | Oct. 1959 | Ásgeir Ásgeirsson (1952–1968) |
| (12) | | Ólafur Thors (1892–1964) MP for Gullbringu and Kjósarsýsla | 5 | 1 January 1962 | 14 November 1963 | 682 | Independence Party | IP–SDP | Oct. 1959 | Ásgeir Ásgeirsson (1952–1968) |
| (17) | | Bjarni Benediktsson (1908–1970) MP for Reykjavík | 1 | 14 November 1963 | 10 July 1970 (died) | 2430 | Independence Party | IP–SDP | 1963 | Ásgeir Ásgeirsson (1952–1968) |
| (17) | | Bjarni Benediktsson (1908–1970) MP for Reykjavík | 1 | 14 November 1963 | 10 July 1970 (died) | 2430 | Independence Party | IP–SDP | 1967 | Kristján Eldjárn (1968–1980) |
| 18 | | Jóhann Hafstein (1915–1980) MP for Reykjavík | 1 | Acting: 10 July 10 October 1970 | 14 July 1971 | 369 | Independence Party | IP–SDP | 1967 | Kristján Eldjárn (1968–1980) |
| 19 | | Ólafur Jóhannesson (1913–1984) MP for Northwestern | 1 | 14 July 1971 | 28 August 1974 | 1141 | Progressive Party | PP–PA–LL | 1971 | Kristján Eldjárn (1968–1980) |
| 20 | | Geir Hallgrímsson (1925–1990) MP for Reykjavík | 1 | 28 August 1974 | 1 September 1978 | 1465 | Independence Party | IP–PP | 1974 | Kristján Eldjárn (1968–1980) |
| (19) | | Ólafur Jóhannesson (1913–1984) MP for Northwestern | 2 | 1 September 1978 | 15 October 1979 | 409 | Progressive Party | PP–PA | 1978 | Kristján Eldjárn (1968–1980) |
| 21 | | Benedikt Gröndal (1924–2010) MP for Reykjavík | 1 | 15 October 1979 | 8 February 1980 | 116 | Social Democratic Party | SDP | 1979 | Kristján Eldjárn (1968–1980) |
| 22 | | Gunnar Thoroddsen (1910–1983) MP for Reykjavík | 1 | 8 February 1980 | 26 May 1983 | 1203 | Independence Party (*Gunnar's faction) | IP*–PP–PA | 1979 | Vigdís Finnbogadóttir (1980–1996) |
| 23 | | Steingrímur Hermannsson (1928–2010) MP for Westfjords | 1 | 26 May 1983 | 8 July 1987 | 1504 | Progressive Party | PP–IP | 1983 | Vigdís Finnbogadóttir (1980–1996) |
| 24 | | Þorsteinn Pálsson (born 1947) MP for Southern | 1 | 8 July 1987 | 28 September 1988 | 448 | Independence Party | IP–PP–SDP | 1987 | Vigdís Finnbogadóttir (1980–1996) |
| (23) | | Steingrímur Hermannsson (1928–2010) MP for Reykjanes | 2 | 28 September 1988 | 30 April 1991 | 944 | Progressive Party | PP–SDP–PA | 1987 | Vigdís Finnbogadóttir (1980–1996) |
| (23) | | Steingrímur Hermannsson (1928–2010) MP for Reykjanes | 3 | 28 September 1988 | 30 April 1991 | 944 | Progressive Party | PP–SDP–PA–CiP | 1987 | Vigdís Finnbogadóttir (1980–1996) |
| 25 | | Davíð Oddsson (born 1948) MP for Reykjavík until 2003 MP for Reykjavík North from 2003 | 1 | 30 April 1991 | 15 September 2004 | 4887 | Independence Party | IP–SDP | 1991 | Vigdís Finnbogadóttir (1980–1996) |
| 25 | | Davíð Oddsson (born 1948) MP for Reykjavík until 2003 MP for Reykjavík North from 2003 | 2 | 30 April 1991 | 15 September 2004 | 4887 | Independence Party | IP–PP | 1995 | Ólafur Ragnar Grímsson (1996–2016) |
| 25 | | Davíð Oddsson (born 1948) MP for Reykjavík until 2003 MP for Reykjavík North from 2003 | 3 | 30 April 1991 | 15 September 2004 | 4887 | Independence Party | IP–PP | 1999 | Ólafur Ragnar Grímsson (1996–2016) |
| 25 | | Davíð Oddsson (born 1948) MP for Reykjavík until 2003 MP for Reykjavík North from 2003 | 4 | 30 April 1991 | 15 September 2004 | 4887 | Independence Party | IP–PP | 2003 | Ólafur Ragnar Grímsson (1996–2016) |
| 26 | | Halldór Ásgrímsson (1947–2015) MP for Reykjavík North | 1 | 15 September 2004 | 15 June 2006 | 638 | Progressive Party | IP–PP | 2003 | Ólafur Ragnar Grímsson (1996–2016) |
| 27 | | Geir Haarde (born 1951) MP for Reykjavík South | 1 | 15 June 2006 | 1 February 2009 | 962 | Independence Party | IP–PP | 2003 | Ólafur Ragnar Grímsson (1996–2016) |
| 27 | | Geir Haarde (born 1951) MP for Reykjavík South | 2 | 15 June 2006 | 1 February 2009 | 962 | Independence Party | IP–SDA | 2007 | Ólafur Ragnar Grímsson (1996–2016) |
| 28 | | Jóhanna Sigurðardóttir (born 1942) MP for Reykjavík North | 1 | 1 February 2009 | 23 May 2013 | 1572 | Social Democratic Alliance | SDA–LGM | 2007 | Ólafur Ragnar Grímsson (1996–2016) |
| 28 | | Jóhanna Sigurðardóttir (born 1942) MP for Reykjavík North | 2 | 1 February 2009 | 23 May 2013 | 1572 | Social Democratic Alliance | SDA–LGM | 2009 | Ólafur Ragnar Grímsson (1996–2016) |
| 29 | | Sigmundur Davíð Gunnlaugsson (born 1975) MP for Northeast | 1 | 23 May 2013 | 7 April 2016 | 1049 | Progressive Party | PP–IP | 2013 | Ólafur Ragnar Grímsson (1996–2016) |
| 30 | | Sigurður Ingi Jóhannsson (born 1962) MP for South | 1 | 7 April 2016 | 11 January 2017 | 280 | Progressive Party | PP–IP | 2013 | Guðni Thorlacius Jóhannesson (2016–2024) |
| 31 | | Bjarni Benediktsson (born 1970) MP for Southwest | 1 | 11 January 2017 | 30 November 2017 | 323 | Independence Party | IP–C–BF | 2016 | Guðni Thorlacius Jóhannesson (2016–2024) |
| 32 | | Katrín Jakobsdóttir (born 1976) MP for Reykjavík North | 1 | 30 November 2017 | 9 April 2024 | 2322 | Left-Green Movement | LGM–IP–PP | 2017 | Guðni Thorlacius Jóhannesson (2016–2024) |
| 32 | | Katrín Jakobsdóttir (born 1976) MP for Reykjavík North | 2 | 30 November 2017 | 9 April 2024 | 2322 | Left-Green Movement | LGM–IP–PP | 2021 | Guðni Thorlacius Jóhannesson (2016–2024) |
| (31) | | Bjarni Benediktsson (born 1970) MP for Southwest | 2 | 9 April 2024 | 21 December 2024 | 256 | Independence Party | LGM–IP–PP | 2021 | Halla Tómasdóttir (2024–present) |
| 33 | | Kristrún Frostadóttir (born 1988) MP for Reykjavík South | 1 | 21 December 2024 | Incumbent | 35 | Social Democratic Alliance | SDA–RP–PP | 2024 | Halla Tómasdóttir (2024–present) |