Abdul Fattah Ismail, Yemeni educator and politician, 4th President of South Yemen (born 1939)

Abdul Fattah Ismail was a Yemeni Marxist politician and revolutionary who was the de facto leader of South Yemen from 1978 to 1980 after the overthrow of President Salim Rubaya Ali. He served as Chairman of the Presidium of the Supreme People's Council and founder, chief ideologue and first leader of the Yemeni Socialist Party from 21 December 1978 to 21 April 1980. He died under mysterious circumstances during the 1986 South Yemen Civil War and his body was never found.

The People's Democratic Republic of Yemen, commonly referred to as South Yemen, gained independence as the People's Republic of South Yemen on 30 November 1967. The President of the Republic served as head of state, appointing a Prime Minister to serve as head of government.