Steel Brother is a collection of science fiction stories by Gordon R. Dickson. It was first published by Tor Books in 1985 and reprints most of the stories from Dickson's 1984 collection Dickson!, with one substitution and one added interview. The stories originally appeared in the magazines SFWA Bulletin, Astounding, Galaxy Science Fiction, Analog Science Fiction and Fact, Ellery Queen's Mystery Magazine and Science Fiction Stories. The book contains the introduction to each story by Sandra Miesel from the previous collection, though they are not credited.