This is a list of heads of government of Sierra Leone, from the establishment of the office of Chief Minister in 1954 until the present day. The office of Prime Minister was abolished after the constitutional referendum in 1978, and reinstated in 2018 with the appointment of David J. Francis as Chief Minister.

List of officeholders

{{legend||Sierra Leone People's Party (SLPP)|border=1px solid #AAAAAA}}{{legend|#FF0000|All People's Congress (APC)|border=1px solid #AAAAAA}} {{legend||Independent|border=1px solid #AAAAAA}} Died in office

Chief minister of Sierra Leone Protectorate

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.

Prime minister of Sierra Leone Protectorate

Prime ministers of Sierra Leone

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.

Military rule (1967–1968)

The NRC was a group of senior military officers who took 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.

Prime ministers of Sierra Leone

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.

Chief ministers of Sierra Leone

During this period, Sierra Leone operated under a presidential system, whereby the Chief Minister was not the head of government, but mainly existed in a capacity of assisting the President.