Heads of Government of Gabon

(Dates in italics indicate de facto continuation of office)

Tenure	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 excercised 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
2 December 1967 to 29 September 1973	Albert-Bernard Bongo, President	BDG	Changed name to Omar Bongo on conversion to Islam
29 September 1973 to 16 April 1975	Omar Bongo, President	BDG	Previously Albert-Bernard Bongo
16 April 1975 to 3 May 1990	Léon Mébiame, Prime Minister	BDG
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 present	Jean-François Ntoutoume Emane, Prime Minister	PDG


PDG	Parti Démocratique Gabonais (Gabonese Democratic Party) authoritarian, estd. March 1968, former BDG
PGP	Parti Gabonais du Progrès (Gabonese Party of Progress) progressive
BDG	Bloc Démocratique Gabonais (Gabonese Democratic Bloc) from March 1968 PDG
UDSG	Union Democratique et Sociale Gabonaise (Gabonese Social and Democratic Union)
Mil	Military
n-p	non-partisan
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Guinness Book of Kings, Rulers & Statesmen, Clive Carpenter, Guinness Superlatives Ltd
African States and Rulers, John Stewart, McFarland