Xavier Dolan-Tadros (French pronunciation: ​[gzavje dɔlɑ̃tadʁo]; born 20 March 1989) is a Canadian actor, director, screenwriter, editor, costume designer, and voice actor. He began his career as a child actor in commercials before directing several arthouse feature films. He first received international acclaim in 2009 for his debut feature I Killed My Mother (J'ai tué ma mère), which premiered at the Cannes Film Festival in the Director's Fortnight.

He has won many awards for his film work, including the Jury Prize at the 2014 Cannes Film Festival for Mommy and the Grand Prix at the 2016 Cannes Film Festival for It's Only The End of the World.