"To Serve Man" is a science fiction short story by American writer Damon Knight. It first appeared in the November 1950 issue of Galaxy Science Fiction and has been reprinted a number of times, including in Frontiers in Space (1955), Far Out (1961), and The Best of Damon Knight (1976).

Damon Francis Knight was an American science fiction author, editor, and critic. He is the author of "To Serve Man", a 1950 short story adapted for The Twilight Zone. He was married to fellow writer Kate Wilhelm.