Sun Zhen (; 5 February 1892 – 9 September 1985) was a General of the National Revolutionary Army during the Second Sino-Japanese War and Chinese Civil War.
In 1933 he was made a General commanding the Garrison of Sichuan's Northwestern District. After the outbreak of the war with Japan, in 1938 he was made acting Commander in Chief of the 22nd Army Group, Sun simultaneously he held the command of the 41st Corps which he retained until 1940. His command fought in the Battle of Xuzhou, defending to the north of Taierzhuang between Xuecheng and Tengxian, in Shandong.
In 1939 he became the Commander in Chief of 22nd Army Group which he commanded until 1945. His forces fought in the Battle of Suixian-Zaoyang, 1939-40 Winter Offensive, Battle of Zaoyang-Yichang, Central Hopei Operation, and in 1945 he was Commander in Chief Western Henan Central Force during the Battle of West Henan-North Hubei.