Shadowland was a science fiction fanzine published by Bill Shell and edited by Sam Martinez.
Published in Tulsa, Oklahoma, U.S.A., Shadowland was released in the 1950s. It was a Fantasy Amateur Press Association publication, but also available to non-members. It was a hectographed zine of around 52 pages. At least six issues were released between 1952 and 1954.
Sam Martinez later edited the zine Dry Martini.