List of heads of government of Sierra Leone

In 1953, Sierra Leone was granted local ministerial powers and Milton Margai was made Chief Minister and later prime minister. A new constitution ensured Sierra Leone a parliamentary system within the Commonwealth of Nations and was formally adopted in 1958

Sierra Leone was granted independence by the Sierra Leone Independence Act 1961 and became a free state with Queen Elizabeth II as its head of state. In 1971 Sierra Leone became a republic with Siaka Stevens as executive president

No.	Portrait	Name (Birth–Death)	Election	Term of office			Political party
				Took office	Left office	Time in office
1		Sir Milton Margai (1895–1964)	1962	27 April 1961	28 April 1964[†]	3 years, 1 day	SLPP
2		Sir Albert Margai (1910–1980)	—	28 April 1964	21 March 1967	2 years, 327 days	SLPP
3		Siaka Stevens (1905–1988)	1967	21 March 1967 (deposed.)		minutes	APC

The NRC was group of senior military officers took power power in 1967 removing Siaka Stevens from the office of prime minister and ruled the nation from 1967 to 1968 . The NRC was overthrown in April 1968 by a group of military officers who reinstated Stevens as Prime Minister.

No.	Portrait	Name (Birth–Death)	Term of office			Political party
			Took office	Left office	Time in office
		Brigadier David Lansana (1922–1975)	23 March 1967	25 March 1967	2 days	Military
		Commissioner Leslie William Leigh (1921–1980) Chairman of the NRC	25 March 1967	28 March 1967	3 days	Military
		Brigadier Andrew Juxon-Smith (1931–1996) Chairman of the NRC	28 March 1967	18 April 1968 (deposed.)	1 year, 21 days	Military
		Brigadier John Amadu Bangura (1930–1970) Chairman of the ACRM	18 April 1968	22 April 1968	4 days	Military

Siaka Stevens was reinstated by a group of military officers who overthrew NRC. In 1971 Siaka Stevens abolished the monarchy and he made Sierra Leone and republic with Stevens as an executive president

No.	Portrait	Name (Birth–Death)	Election	Term of office			Political party
				Took office	Left office	Time in office
(3)		Siaka Stevens (1905–1988)	—	26 April 1968	21 April 1971	2 years, 360 days	APC
4		Sorie Ibrahim Koroma (1927–1994)	1973	21 April 1971	8 July 1975	4 years, 78 days	APC
5		Christian Alusine Kamara-Taylor (1917–1985)	1977	8 July 1975	15 June 1978	2 years, 342 days	APC