Yilmaz Onay (20 April 1937 – 9 January 2018) was a Turkish author, theatre director and translator.He translated plays, which most of them are known plays of Bertolt Brecht, stories, novels, books of poems and non-fiction books from German to Turkish and write plays and novels; all published.
As a director, he staged most of Brecht's works, in a theatre called Epic Theatre which he was one of the frontiers of this theatre movement in Turkey.
Onay's first accomplishment as director was, staging a known play Fear and Misery of the Third Reich written by Brecht.