Sister Act may refer to: Sister Act, a 1992 film directed by Emile Ardolino and starring Whoopi Goldberg Sister Act 2: Back in the Habit, a 1993 sequel film of Sister Act, directed by Bill Duke and starring Whoopi Goldberg Sister Act (musical), a musical adaptation of the film "Sister Act", an episode of That's So Raven "The Sister Act", an episode of The O.C. "Sister Act", a season 4 episode of The Loud House
See also Aly & AJ: Sister Act, a reality show "Doug's Sister Act", an episode of Doug