Rocky Mountain is a 1950 American Western film directed by William Keighley and starring Errol Flynn. It also stars Patrice Wymore, who married Flynn in 1950. The film is set in California near the end of the American Civil War.

Errol Leslie Thomson Flynn was an Australian actor who achieved worldwide fame during the Golden Age of Hollywood. He was known for his romantic swashbuckler roles, frequent partnerships with Olivia de Havilland, and reputation for his womanising and hedonistic personal life. His most notable roles include Robin Hood in The Adventures of Robin Hood (1938), which was later named by the American Film Institute as the 18th greatest hero in American film history, the lead role in Captain Blood (1935), Major Geoffrey Vickers in The Charge of the Light Brigade (1936), and the hero in a number of Westerns such as Dodge City (1939), Santa Fe Trail, Virginia City, and San Antonio (1945).