| Tenure |
Portrait |
Incumbent |
Affiliation |
Notes |
| Gabon Autonomous Republic |
| 21 May 1957 to 26 July 1958 |
|
Léon M’ba, Vice President of the Government Council |
BDG |
|
| 26 July 1958 to 28 November 1958 |
Léon M'ba, President of the Government Council |
|
| 28 November 1958 to 27 February 1959 |
Léon M'ba, Head of the Provisional Government |
|
| 27 February 1959 to 17 August 1960 |
Léon M'ba, Prime Minister |
|
| Gabonese Republic (République Gabonaise) |
| 17 August 1960 to 21 February 1961 |
|
Léon M'ba, Prime Minister |
BDG |
President from 17 August 1960 |
| 21 February 1961 to 17 February 1964 |
Léon M'ba, President |
Head of Government exercised by Head of State until 16 April 1975 |
| 19 February 1964 to 17 February 1964 |
Léon M'ba, President |
|
| 18 February 1964 to 19 February 1964 |
|
Jean-Hilaire Aubame, Provisional Prime Minister |
Mil/UDSG |
Usurper |
| 19 February 1964 to 28 November 1967 |
|
Léon M'ba, President |
BDG |
Died in office |
| 2 December 1967 to 1968 |
|
Albert-Bernard Bongo, President |
BDG |
|
| 1968 to 29 September 1973 |
PDG |
Changed name to Omar Bongo on conversion to Islam |
| 29 September 1973 to 16 April 1975 |
Omar Bongo, President |
Previously Albert-Bernard Bongo |
| 16 April 1975 to 3 May 1990 |
|
Léon Mébiame, Prime Minister |
PDG |
|
| 3 May 1990 to 2 November 1994 |
|
Casimir Oyé-Mba, Prime Minister |
n-p |
|
| 2 November 1994 to 23 January 1999 |
|
Paulin Obame-Nguema, Prime Minister |
PDG |
|
| 23 January 1999 to 20 January 2006 |
|
Jean-François Ntoutoume Emane, Prime Minister |
PDG |
|
| 20 January 2006 to 17 July 2009 |
|
Jean Eyeghé Ndong, Prime Minister |
PDG |
|
| 17 July 2009 to Present |
|
Paul Biyoghé Mba, Prime Minister |
PDG |
|