Leprechaun is a science fiction fanzine by Larry Shaow.
Published in the early 1940s in Schenectady, New York, U.S.A., four issues of this mimeographed publication appeared. The first issue appeared in 1941, the second in 1942. The fourth and last issue was published in March 1945, and was distributed by the Vanguard Amateur Press Association (VAPA).
Contributions of poetry came from Rosco E. Wright (Beyond).
Issue three featured a stapled-in black and white photograph of Forrest J Ackerman (Voice of the Imagi-Nation).