Oleg Nikolayevich Yefremov (Russian: Оле́г Никола́евич Ефре́мов, 1 October 1927 – 24 May 2000) was a Soviet-Russian actor and Moscow Art Theatre producer. He was a People's Artist of the USSR (1976) and a Hero of Socialist Labour (1987). He was born in Moscow. He was married to actress Alla Pokrovskaya.
His best known roles were The Alive and the Dead (1964), melodrama Three Poplars in Plyushcikha (1967), Shine, Shine, My Star (1969), comedies Aybolit-66 (1966), and Beware of the Car (1966).
Yefremov died on 24 May 2000 at his apartment in Moscow from lung disease at the age of 72.