Olev Tinn (September 3, 1920 Haradok, Belarus – September 6, 1971 Tallinn) was an Estonian actor.
Tinn's father was Estonian actor and theatre director Eduard Tinn. In 1950 he graduated from Estonian State Theatre Institute. 1940-1941 he worked at Ugala Theatre, and 1944–1971 at Estonian Drama Theatre.
In 1962, he was awarded Meritorious Artist of the Estonian Soviet Socialist Republic. He died in 1971 and is buried in Tallinn's Forest Cemetery.