Liu Cunxin (Chinese: 刘存信; 1926 – 15 July 2020) was a lieutenant general (zhongjiang) of the People's Liberation Army (PLA).

He was a representative of the 13th National Congress of the Chinese Communist Party.

[1] He was a member of the National Committee of the 8th Chinese People's Political Consultative Conference.

He enlisted in the Eighth Route Army in January 1938, and joined the Chinese Communist Party (CCP) in March 1939.

[1] His elder brother Liu Cunzhi was also a lieutenant general (zhongjiang) of the People's Liberation Army (PLA).