Universe 15 is an anthology of original science fiction short stories edited by Terry Carr, the fifteenth volume in the seventeen-volume Universe anthology series.

It was first published in hardcover by Doubleday in August 1985, with a paperback edition from Tor Books in December 1987.

[1] The book collects ten novelettes and short stories by various science fiction authors.

[1] "Mercurial" placed thirteenth in the 1986 Locus Poll Award for Best Novelette.

[3] "Mengele" placed sixth in the 1986 Locus Poll Award for Best Short Story.