Lion is a 2016 Australian biographical drama film directed by Garth Davis (in his feature directorial debut) from a screenplay by Luke Davies based on the 2013 non-fiction book A Long Way Home by Saroo Brierley. The film stars Dev Patel, Sunny Pawar, Rooney Mara, David Wenham, and Nicole Kidman, as well as Abhishek Bharate, Divian Ladwa, Priyanka Bose, Deepti Naval, Tannishtha Chatterjee, and Nawazuddin Siddiqui. It tells the true story of how Brierley, 25 years after being separated from his family in India, sets out to find them. It was a joint production between Australia and the United Kingdom.

The film, which had its world premiere at the Toronto International Film Festival on 10 September 2016, was given a limited release in North America on 25 November 2016, by The Weinstein Company before opening wide on 6 January 2017. It was released in Australia on 19 January 2017, and in the United Kingdom on 20 January 2017.

Lion was well-received by critics, with praise for the acting (particularly from Patel and Kidman), emotional weight, visuals, cinematography, and screenplay. It received six Oscar nominations at the 89th Academy Awards, including for Best Picture, Best Supporting Actor (Patel), Best Supporting Actress (Kidman), and Best Adapted Screenplay. At the 70th British Academy Film Awards, the film won the BAFTA Awards for Best Supporting Actor (Patel) and Best Adapted Screenplay. The film was also commercially successful, making $140 million worldwide and becoming one of the highest-grossing Australian films of all time.