Ma Hu-shan (Xiao'erjing: ﻣَﺎ ﺧُﻮْ شً, traditional Chinese: 馬虎山; simplified Chinese: 马虎山; pinyin: Mǎ Hushān; 1910 – 1954) was a Hui (Chinese Muslim) warlord and the brother-in-law and follower of Ma Chung-ying, a Dungan/Hui Ma Clique warlord. He ruled over an area of Southern Xinjiang, nicknamed Tunganistan (named after the Dungans) by Westerners, from 1934 to 1937. He was sometimes known as the "King of Tunganistan".