Sino-Soviet treaty may refer to these treaties between the Soviet Union (USSR) and China:

Sino-Soviet Non-Aggression Pact in 1937, between the Republic of China (ROC) and USSR Sino-Soviet Treaty of Friendship and Alliance in 1945, ROC and Soviet Union Sino-Soviet Treaty of Friendship, Alliance and Mutual Assistance in 1950, between the People's Republic of China (PRC) and USSR 1991 Sino-Soviet Border Agreement, between the PRC and USSR

See also Chinese Soviet (disambiguation)