Olga Mikhailovna Ostroumova (Russian: О́льга Миха́йловна Остроу́мова; born 21 September 1947) is a Soviet and Russian theater and film actress. Best known for her roles in films We'll Live Till Monday (1968, her debut), The Dawns Here Are Quiet (1972, Italian Silver Nymph Award), Vasily and Vasilisa (1981).