John Fortenberry is an American film and television director. He was an episodic director for the NBC drama Studio 60 on the Sunset Strip. He helmed the episodes and for the show. He has also worked on Rescue Me, Arrested DevelopmentA Night at the Roxbury, The Kids in the Hall, and Jury Duty. He has worked as a director and executive producer for the FX comedy It's Always Sunny in Philadelphia.