John Barnes (born USA 28-02-1957) is an American science fiction author.
Two of his novels, The Sky So Big and Black and The Duke of Uranium have been reviewed as having content appropriate for a young adult readership, comparing favorably to Robert A. Heinlein's “juvenile” novels. He has contributed to the Internet Evolution website.
Barnes earned a Bachelors Degree from Washington University, a Masters Degree from the University of Montana, and a Ph.D. in theater from the University of Pittsburgh. He has taught at Western State College. He lives in Colorado.