Mang Yang (Vietnamese: Mang Yang) is a district (huyện) of Gia Lai Province in the Central Highlands region of Vietnam.
As of 2003 the district had a population of 43,734. The district covers an area of 1,126 km². The district capital lies at Kon Dơng.
Coordinates: 14°00′00″N 108°15′00″E / 14.000°N 108.250°E