Sir James Joseph Trevor Simpson KBE (9 January 1908 – 10 April 1994)[1] was a Ugandan politician who served as Minister of Economic Affairs in the first Cabinet of Uganda.

[2] Simpson, originally of British nationality, was educated at Ardingly College, West Sussex, England, and first saw service in East Africa with the Vacuum Oil Company in Kenya.

[3] In 1941 he was elected President of the Uganda Chamber of Commerce, and was re-elected in 1946 and 1950.

He became a member of Uganda Legislative Council (1950-1958), the Uganda Executive Council (1952-1955), and a member of the East African Central Legislative Assembly (1957-1960) and (1962-1963).

Following Ugandan independence in 1962, Simpson was elected a Member of the Parliament for North East Kyagwe, and served as Minister of Economic Affairs in the first Ugandan Cabinet from 1962 to 1963.