Bárbara Muschietti (born 22 December 1971) is an Argentine film producer, best known for producing the 2013 horror film Mama, the 2017 and 2019 adaptations of Stephen King's It, and the 2023 superhero film The Flash, all of which were directed by her younger brother, Andy Muschietti.
Muschietti is of Italian descent. She is married to writer Arthur Phillips.