Third Man on the Mountain is a 1959 American family adventure film by Walt Disney Productions, directed by Ken Annakin and starring Michael Rennie, James MacArthur and Janet Munro. Set during the golden age of alpinism, its plot concerns a young Swiss man who conquers the mountain that killed his father. It is based on Banner in the Sky, a James Ramsey Ullman 1955 novel about the first ascent of the Citadel, and was televised under this name.

Walt Disney Pictures is an American film production company and subsidiary of Walt Disney Studios, a division of Disney Entertainment, which is owned by The Walt Disney Company. The studio is the flagship producer of live-action feature films within the Walt Disney Studios unit, and is based at the Walt Disney Studios in Burbank, California. Animated films produced by Walt Disney Animation Studios and Pixar Animation Studios are also released under the studio banner. Walt Disney Studios Motion Pictures distributes and markets the films produced by Walt Disney Pictures.