The Big Sky is a 1952 American Western film produced and directed by Howard Hawks and written by Dudley Nichols, based on the novel of the same name by A.B. Guthrie Jr. The cast includes Kirk Douglas, Dewey Martin, Elizabeth Threatt and Arthur Hunnicutt, who was nominated for an Academy Award for Best Supporting Actor. Though not considered among Hawks's major achievements by most critics, the film was chosen by Jonathan Rosenbaum for his alternative list of the Top 100 American Films.

Dewey Dallas Martin was an American film and television actor.