Leon Etienne Duval
- Category : 1903-births
- Type : GE
- Profile : 3/5 - Martyr / Heretic
- Definition : Split - Small (9,30)
- Incarnation Cross : RAX The Sphinx 4
French Cardinal of the Roman Catholic Church. He served as Archbishop of Algiers in Algeria from 1954 to 1988, and was elevated to the cardinalate in 1965.
He died on 30 May 1996.