Diocese of Ban Mê Thuột is a Roman Catholic diocese of Vietnam in the city of Buôn Ma Thuột in Đắk Lắk Province of the Central Highlands region. John Baptist Nguyễn Huy Bắc was appointed bishop in 2024, after Bishop Vincent Nguyễn Văn Bản was appointed Bishop of the Diocese of Hải Phòng in 2022.