| Tenure |
Incumbent |
Affiliation |
Notes |
| Ethiopian Empire |
| 1942 to 1 November 1957 |
Endelkachew Makonnen, Prime Minister |
n-p |
1st Term |
| 27 November 1957 to 15 December 1960 |
Abebe Aragai, Prime Minister |
n-p |
|
| 12 December 1960 to 15 December 1960 |
Imru Haile Selassie, Prime Minister |
n-p |
In rebellion |
| 15 December 1960 to 17 April 1961 |
Vacant |
|
|
| 17 April 1961 to 1 March 1974 |
Tsehafi Taezaz Aklilu Habte-Wold, Prime Minister |
n-p |
|
| 1 March 1974 to 22 July 1974 |
Endelkachew Makonnen, Prime Minister |
n-p |
2nd Term |
| 3 August 1974 to 12 September 1974 |
Mikael Imru, Prime Minister |
n-p |
|
| Government of the Provisional Military Administrative Council (Derg) |
| 12 September 1974 to 10 September 1987 |
Post abolished |
|
|
| People's Democratic Republic of Ethiopia |
| 10 September 1987 to 8 November 1989 |
Fikre Selassie Wogderess, Prime Minister |
EWP |
|
| 8 November 1989 to 26 April 1991 |
Hailu Yimenu, acting Prime Minister |
EWP |
|
| 26 April 1991 to 27 May 1991 |
Tesfaye Dinka, acting Prime Minister |
EWP |
|
| Ethiopia (Ityop’iya) |
| 27 May 1991 to 6 June 1991 |
Tesfaye Dinka, acting Prime Minister |
EWP |
|
| 6 June 1991 to 22 August 1995 |
Tamirat Layne, acting Prime Minister |
EPDM |
|
| Federal Democratic Republic of Ethiopia (Ityop’iya Federalawi Demokrasiyawi Ripeblik) |
| 23 August 1995 to present |
Meles Zenawi, Prime Minister |
TPLF/EPRDF |
|
