Xenon was a science fiction fanzine published in Nebraska, U.S.A. by Gordon Rouze.
The first issue appeared in March 1944, and was a mimeographed and stapled publication of eleven pages. It was released as a Fantasy Amateur Press Association fanzine.
Issue three included cover art and two poems by Hannes Bok and contributions from Ruby Diehr, James Gray, and Bob Tucker (Le Zombie), writing on the current crop of "Fantasy" movies.
Four issues of Xenon appeared in the 1940s.