Mang Yang () is a district (huyá»Ân) 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 kmò. The district capital lies at Kon Dáng. In 1954, at the end of the First Indochina War, Mang Yang was the site of a bloody battle won by the Viet Minh.