Lonely Are the Brave is a 1962 American black and white Western film adaptation of the Edward Abbey novel The Brave Cowboy directed by David Miller from a screenplay by Dalton Trumbo and starring Kirk Douglas, Gena Rowlands and Walter Matthau.

Edward Paul Abbey was an American author and essayist noted for his advocacy of environmental issues, criticism of public land policies, and anarchist political views. His best-known works include the novel The Monkey Wrench Gang, which has been cited as an inspiration by radical environmental groups, and the non-fiction work Desert Solitaire.