José Napoleón Duarte, Salvadoran engineer and politician, President of El Salvador (died 1990)

José Napoleón Duarte Fuentes was a Salvadoran politician who served as President of El Salvador from 1 June 1984 to 1 June 1989. He was mayor of San Salvador before running for president in 1972. He lost, but the election is widely viewed as fraudulent. Following a coup d'état in 1979, Duarte led the subsequent civil-military Junta from 1980 to 1982. He was then elected president in 1984, defeating ARENA party leader Roberto D'Aubuisson.

The president of the Republic of El Salvador is the head of state and head of government of El Salvador. The president is also the commander-in-chief of the Armed Forces of El Salvador.