Sergei Zakharovich Aslamazyan, also Aslamazian (Russian: Сергей Захарович Асламазя́н, 27 January 1897 – 1978) was a Soviet Armenian cellist, composer, People's Artist of Armenian SSR (1945), awarded the Stalin Prize (1946). He was a co-founder and a member of Komitas Quartet from 1925 to 1968. He was the author of quartet versions of Komitas works. From 1947 he was a professor at Moscow State Conservatory.