John Kenrick (born October 3, 1959) is an American author, teacher and theatre and film historian. Kenrick is an adjunct teacher of musical theatre history at New York University, Brind School – University of the Arts (Philadelphia) and The New School, and lectures frequently on the subject elsewhere. His 2008 book Musical Theatre: A History is a comprehensive history of musical theatre from ancient times to the present. Kenrick is the curator of the extensive musical theatre and film website Musicals101.com: The Cyber Encyclopedia of Musical Theatre, TV and Film