Margaret Elizabeth Ellison (born January 31, 1986) is an American film producer and entrepreneur. She is the founder of Annapurna Pictures, established in 2011. She produced the films Zero Dark Thirty (2012), Her (2013), American Hustle (2013), and Phantom Thread (2017), all of which have earned her Oscar nominations. In 2014, Ellison was included in the annual Time 100 list of the most influential people in the world. She also received a Tony Award for Best Musical as a producer for the musical A Strange Loop.