Ma Zhanshan (Ma Chan-shan; simplified Chinese: ???; traditional Chinese: ???; pinyin: Ma Zhà nshan; Wade–Giles: Ma3 Chan4-shan1; November 30, 1885 – November 29, 1950) was a Chinese general who initially opposed the Imperial Japanese Army in the invasion of Manchuria, briefly defected to Manchukuo, and then rebelled and fought against the Japanese in Manchuria and other parts of China.