Margaret Garner is an opera in two acts composed by Richard Danielpour to an English-language libretto by Toni Morrison. The opera is loosely based on actual events in the life of runaway slave Margaret Garner. A co-commission by the Michigan Opera Theatre, Cincinnati Opera and Opera Philadelphia, it premièred on 7 May 2005 at the Detroit Opera House in Detroit, Michigan with Denyce Graves in the title role.