John Kolvenbach is an American playwright. His plays have been performed on the West End (Love Song, on an average day) and all over the world, including productions in Rome, Sydney, Wellington, Seoul, Melbourne, Tel Aviv, Zurich, San Juan, Berlin and in many theatres in the US. The plays are published by Methuen and the Dramatists Play Service. His most notable works include Reel to Reel, Sister Play, Gizmo Love, Love Song, On An Average Day, Goldfish, Marriage Play, Bank Job, Fabuloso.