Sergei Zakharovich Aslamazyan, also Aslamazian (Armenian: ?????? ?????? ??????????, Russian: ?????´? ????????? ????????´?; 27 January 1897 – 27 September 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.