The War Wagon is a 1967 American Western heist film directed by Burt Kennedy and starring John Wayne and Kirk Douglas. Released by Universal Pictures, it was produced by Marvin Schwartz and adapted by Clair Huffaker from his own novel. The supporting cast includes Howard Keel, Robert Walker Jr., Keenan Wynn, Bruce Cabot, Joanna Barnes, Valora Noland, Bruce Dern, and Gene Evans. The film received generally positive reviews.

Kirk Douglas was an American actor and filmmaker. After an impoverished childhood, he made his film debut in The Strange Love of Martha Ivers (1946) with Barbara Stanwyck. Douglas soon developed into a leading box-office star throughout the 1950s, known for serious dramas, including westerns and war films. During his career, he appeared in more than 90 films and was known for his explosive acting style. He was named by the American Film Institute the 17th-greatest male star of Classic Hollywood cinema.