Xu Xin (Chinese: 徐信; pinyin: Xú Xìn; 16 March 1921 – 18 November 2005) was a general (shangjiang) of the People's Liberation Army (PLA).

[1][2] He enlisted in the Eighth Route Army in September 1937, and joined the Chinese Communist Party (CCP) in November of that same year.

[1][2] During the Second Sino-Japanese War, he served in the Shanxi-Chahar-Hebei Military Region and mainly fought with the Imperial Japanese Army in Hebei province.

He was commander of the 66th Group Army in 1962, and held that office until December 1970, when he was promoted to become chief of staff of the Beijing Military Region.

He also succeeded Wu Xiuquan as chairman of the China Institute for International Strategic Studies (CIISS).