Ma Dunjing (simplified Chinese: 马惇靖; traditional Chinese: 馬惇靖; pinyin: Mǎ Dūnjìng; Wade–Giles: Ma Tun-ching, Xiao'erjing: مَا دٌڭِئٍ; 1906–1972) was a prominent Muslim Ma Clique General in China during the Republic of China era, and was the son of General Ma Hongbin. Some sources give his birth date as 1901 rather than 1906. He fought against and defeated the Japanese in May 1938 in Suiyuan province during World War II, and he fought against the Communists in the Ningxia Campaign, but he defected to the Communists with his father, and led his 81st Corps to cross over to the communists. He died in Lanzhou in 1972.