Guðmundur Steinsson (April 19, 1925 - July 15, 1996) was one of the primary playwrights in Iceland in the 20th century. He was born in Eyrarbakka (South of Iceland) and became a student in 1946. The next decade he spent abroad, studying and traveling, and later he worked as a tour guide. Guðmundur taught in Iðnskólinn (Technical College of Hafnarfjördur) 1959-1965. His first novel, Síld (Herring), was released in 1954 and Maríumyndin (Mary) in 1958. After that he wrote only wrote for the theatre.