Yang Chengwu (simplified Chinese: 杨成武; traditional Chinese: 楊成武; pinyin: Yáng Chéngwǔ; October 27, 1914 – February 14, 2004), alias Yang Nengjun (Chinese: 杨能俊; pinyin: Yáng Néngjùn) was a Communist Chinese revolutionary and general of the People's Liberation Army. He was the Deputy Chief of General Staff of the People's Liberation Army from 1954-1965 and 1974–1980. He was named Acting Chief of General Staff in 1966 after Luo Ruiqing was purged at the beginning of the Cultural Revolution.
Yang was born in Changting County, Fujian Province of China on October 8, 1914. He died on February 14, 2004 in Beijing, at the age of 90.
Yang Chengwu's son Yang Dongming is a retired lieutenant general who was appointed Deputy Commander of the People's Liberation Army Air Force (PLAAF) in 2005.