The Constant Gardener is a 2005 drama film directed by Fernando Meirelles. The screenplay by Jeffrey Caine is based on the John le Carré novel of the same name. It tells the story of Justin Quayle, a man who seeks to find the motivating forces behind his wife's murder.

The film stars Ralph Fiennes, Rachel Weisz, Hubert Koundé, Danny Huston and Bill Nighy. It was filmed on location in Loiyangalani and the slums of Kibera, a section of Nairobi, Kenya. The situation affected the cast and crew to the extent that they set up the Constant Gardener Trust in order to provide basic education for these villages.