Olaf—An Atom is a 1913 American film directed by Anthony O'Sullivan and featuring Harry Carey.

He is treated cruelly until he is given a meal by a woman at the homestead where she lives with her husband and baby.

Olaf is able to return her kindness when he overhears a plot to rob the settlers of their home.

He alerts the couple and delays the would-be thieves long enough for the husband to file a claim on his land.

Directed by Anthony O'Sullivan and written by William E. Wing, Olaf—An Atom was produced by the Biograph Company and released May 19, 1913, in the United States.