The Martian is a 2015 science fiction film directed by Ridley Scott and starring Matt Damon. Drew Goddard adapted the screenplay from the 2011 novel of the same name by Andy Weir. The film depicts an astronaut's lone struggle to survive on Mars after being left behind and the efforts of NASA to rescue him and bring him home to Earth. It also stars Jessica Chastain, Jeff Daniels, Kristen Wiig, Chiwetel Ejiofor, Sean Bean, Michael Peña, Kate Mara, Sebastian Stan, Aksel Hennie, Mackenzie Davis, Donald Glover, and Benedict Wong.

Produced through 20th Century Fox, The Martian is a coproduction of the United Kingdom and the United States. Producer Simon Kinberg began developing the film after Fox optioned the novel in March 2013, which Goddard adapted into a screenplay and was initially attached to direct, but the film did not move forward. Scott replaced Goddard as director, and with Damon cast as the main character, production was approved. Filming began in November 2014 and lasted approximately 70 days. Twenty sets were built on one of the largest sound stages in the world in Budapest, Hungary. Wadi Rum in Jordan was also used for exterior filming.

The film premiered at the 2015 Toronto International Film Festival on September 11, 2015. It was released in the UK on September 30, 2015, and in the US on October 2, 2015, in 2D, 3D, IMAX 3D and 4DX. It received positive reviews and grossed over $630 million worldwide, becoming Scott's highest-grossing film to date and the tenth-highest-grossing film of 2015. The Martian received praise for its direction, visual effects, musical score, screenplay, scientific accuracy, and likability, largely due to Damon's performance. It was nominated for seven awards at the 88th Academy Awards, and received numerous other accolades.