City of Ember is a 2008 American science fantasy adventure film based on the 2003 novel The City of Ember by Jeanne DuPrau. Directed by Gil Kenan in his live-action directorial debut, the film stars Saoirse Ronan, Harry Treadaway, Bill Murray, Mackenzie Crook, Martin Landau, Mary Kay Place, Toby Jones and Tim Robbins.

The City of Ember is a post-apocalyptic novel by Jeanne DuPrau that was published in 2003. The story is about Ember, a post-apocalyptic underground city threatened by aging infrastructure and corruption. The young protagonists, Lina Mayfleet and Doon Harrow, follow clues left behind by the original builders of the City of Ember, to safety in the outside world.