William Andrew Hart
- Category : 1904-births
- Type : MGE
- Profile : 5/1 - Heretical / Investigator
- Definition : Split - Small (43,56)
- Incarnation Cross : LAX Dominion 2
Scottish ecclesiastic, a Roman Catholic priest and Bishop of Dunkeld in 1955. As of 1964 he was a member of the Vatican Ecumenical Council's Secretariat for promoting Christian unity. He died October 18, 1992 at age 88.