Prime Minister of Iceland Prime Ministers of Iceland (1917–present) Prime Ministers of Iceland (1917–present)

| Entered_office | Left_office | Party | Election | Coalition |
|---|---|---|---|---|
| 4 January 1917 | 25 February 1920 | Home Rule Party | 1916 | HP—OIP— PP |
| 25 February 1920 | 7 March 1922 | Home Rule Party | 1919 | HP—others |
| 7 March 1922 | 22 March 1924 | Old Independence Party | 1919 | OIP—others |
| 7 March 1922 | 22 March 1924 | Old Independence Party | 1923 | OIP—others |
| 22 March 1924 | 23 June 1926 | Conservative Party | 1923 | CP |
| 23 June 1926 | 8 July 1926 | Conservative Party | 1923 | CP |
| 8 July 1926 | 28 August 1927 | Conservative Party | 1923 | CP |
| 28 August 1927 | 3 June 1932 | Progressive Party | 1927 | PP |
| 28 August 1927 | 3 June 1932 | Progressive Party | 1931 | PP |