Karen Haber (born January 9, 1955) is an American science fiction and non-fiction author and editor, as well as an art critic and historian. She is the author of nine novels including Star Trek Voyager: Bless the Beasts, and co-author of Science of the X-Men. Other publications include Exploring the Matrix: Visions of the Cyber Present, a collection of essays by leading science fiction writers and artists, and Transitions with Todd Lockwood, a retrospective of the artist's work. In 2001 she edited a Hugo-nominated essay collection celebrating J. R. R. Tolkien, Meditations on Middle-Earth. Her short fiction has appeared in Asimov's Science Fiction magazine, the Magazine of Fantasy and Science Fiction, and many anthologies. She reviews art books for Locus magazine and profiles artists for various publications including Realms of Fantasy. With her husband, Robert Silverberg, she co-edited Best Science Fiction of 2001, 2002, and the Best Fantasy of 2001 and 2002 for ibooks and later, co-edited the continuation with Jonathan Strahan.