Sister Act is a musical based on the hit 1992 film of the same name with music by Alan Menken, lyrics by Glenn Slater, book by Bill and Cheri Steinkellner, and additional material by Douglas Carter Beane. After having a regional premiere in 2006 in Pasadena, California, the original West End production opened on June 2, 2009, at the London Palladium, starring Patina Miller and produced by Stage Entertainment and Whoopi Goldberg. Subsequent productions have been seen on Broadway and in many countries around the world.

Sister Act is a 1992 American musical crime comedy film directed by Emile Ardolino and written by Paul Rudnick. It stars Whoopi Goldberg as a lounge singer forced to join a convent after being placed in a witness protection program. It also features Maggie Smith, Kathy Najimy, Wendy Makkena, Mary Wickes, and Harvey Keitel.