Zachary Edward Snyder (born March 1, 1966) is an American film director, producer, screenwriter, and cinematographer. His feature film debut was in 2004 with Dawn of the Dead, a remake of the 1978 horror film of the same name. Since then, he has directed or produced a number of comic book and superhero films, including 300 (2007) and Watchmen (2009), as well as the Superman film that launched the DC Extended Universe, Man of Steel (2013), and its sequels, Batman v Superman: Dawn of Justice (2016) and Justice League (2017).

In 2021, the director's cut of Justice League was released. He also directed the computer-animated film Legend of the Guardians: The Owls of Ga'Hoole (2010), the psychological action film Sucker Punch (2011), and the zombie heist film Army of the Dead (2021). In 2004, he founded the production company The Stone Quarry (formerly known as Cruel and Unusual Films) with his wife Deborah Snyder and producing partner Wesley Coller.