Alternate Heroes

Alternate Heroes is an anthology of alternate history science fiction short stories edited by Gregory Benford and Martin H. Greenberg as the second volume in their What Might Have Been series. It was first published in paperback by Bantam Spectra in January 1990, and in trade paperback by BP Books in June 2004. It was also gathered together with Alternate Empires into the omnibus anthology What Might Have Been: Volumes 1 & 2: Alternate Empires / Alternate Heroes (Bantam Spectra/SFBC, July 1990).

The book collects fourteen novellas, novelettes and short stories by various science fiction authors, with an introduction by Benford.