The Man from Planet X is a 1951 independently made American black-and-white science fiction horror film, produced by Jack Pollexfen and Aubrey Wisberg, directed by Edgar G. Ulmer, that stars Robert Clarke, Margaret Field, and William Schallert. The film was distributed by United Artists.

The story concerns a humanoid who lands on Earth in a spaceship from a mysterious planet and makes contact with a small group of humans on an isolated, fog-shrouded Scottish moor.