| Regeringstid | Namn | Levnadstid |
| President | ||
| 1920-1921 | Abdul Rahman al-Haidari al-Kailani | 1849-1929 |
| Kungar | ||
| 1921-1933 | Faisal I | 1885-1933 |
| 1933-1939 | Ghazi I | 1912-1939 |
| 1939-1941 | Abdul Illah (regent) | 1914-1958 |
| 1941-1941 | Sharaf Fawwaz (regent) | |
| 1941-1953 | Abdul Illah (regent) | 1914-1958 |
| 1939(1953)-1958 | Faisal II | 1935-1958 |
| Presidenter | ||
| 1958-1963 | Muhammed Najib al-Rubai | f. 1904 |
| 1963-1966 | Abdul Salam Arif | 1921-1966 |
| 1966 | Abdul Rahman al-Bazzaz | 1913-1973 |
| 1966-1968 | Abdul Rahman Arif | f. 1916 |
| 1968-1979 | Ahmed Hassan al-Bakr | ca 1914-1982 |
| 1979-2003 | Saddam Hussein | 1937-2006 |
| 2003 | Vakant | |
| 2003-2004 | Iraks styrande råd (kollektivt statsöverhuvud) | |
| 2004-2005 | Ghazi al-Yawar | f. 1958 |
| 2005- | Jalal Talabani | f. 1933 |