Live by Night is a 2016 American crime drama film written, directed, produced by and starring Ben Affleck. Based on the 2012 novel of the same name by Dennis Lehane, the film follows an ambitious Ybor City bootlegger (Affleck) who becomes a notorious gangster. The film also stars Elle Fanning, Brendan Gleeson, Chris Messina, Sienna Miller, Zoe Saldaña, and Chris Cooper.

Produced by Warner Bros., the film premiered in New York City on December 13, 2016. It began a limited release in the United States on December 25, 2016, before going wide on January 13, 2017. It received mixed reviews and was a box-office bomb, grossing $22 million against its net budget of $65 million. The film lost around $75 million, according to insiders and rival studio executives.