Michael Barnathan is an American film producer who has produced and executive-produced films such as The Help, Used People, the first three Harry Potter films, Rent, Cheaper by the Dozen and Night at the Museum. He was also a producer for the 2010 film adaptation Percy Jackson & the Olympians: The Lightning Thief and 2013 Percy Jackson: Sea of Monsters, based on the novels by Rick Riordan. Barnathan graduated from Tisch School of the Arts of New York University in 1980.