Zhang Qun or Chang Ch'un (Chinese: 張羣; May 9, 1889 – December 14, 1990) also known as Zhang Yuejun (張岳軍), was premier of the Republic of China and a prominent member of the Kuomintang. He served as secretary general to the President of the Republic from 1954 to 1972 and senior advisor to Presidents Chiang Kai-shek, Yen Chia-kan, Chiang Ching-kuo, and Lee Teng-hui. Under the influence of his wife, Ma Yu-ying, he became a Christian in the 1930s.