Conquest of Space is a 1955 American Technicolor science fiction film from Paramount Pictures, produced by George Pal, directed by Byron Haskin, that stars Walter Brooke, Eric Fleming, and Mickey Shaughnessy.

The story concerns the first interplanetary flight to Mars, carrying a crew of five, and launched from Earth orbit near "The Wheel", mankind's first space station. On their long journey they encounter various dangers, both from within and without, that nearly destroy the mission.