The Colossus of New York is a 1958 American science fiction film from Paramount Pictures, produced by William Alland, directed by Eugène Lourié, that stars Ross Martin, Otto Kruger, John Baragrey, Mala Powers, Robert Hutton, and Charles Herbert. The screenplay was written by Thelma Schnee, the maiden name of Thelma Moss, who later became a famous parapsychologist. The film's storyline is credited to Willis Goldbeck while John P. Fulton handled the special photographic effects, and Wally Westmore handled the makeup. Paramount Pictures theatrically released Colossus in June 1958 as a double feature with The Space Children.

Following an accident, Jeremy Spensser's brain is transplanted by his scientist father into the huge body of an unattractive, frightening cyborg, to save his brilliant son's mind so that it can continue to serve mankind. Soon, his son's brain becomes transformed by the experimental procedure, losing key attributes that make him human and define his personality.