Polaris is a fanzine published by Paul Freehafer (d. 1944) in the 1930s in Payette, Indiana, and later in the 1940s in Pasadena, and then Los Angeles, California, U.S.A.
Six issues were published of this zine between the years 1939 and 1941. It was devoted to "weird" fiction and stories.
Polaris features fiction by Robert Barlow, Ray Bradbury (Futuria Fantasia), John F. Burke (Satellite), Damon Knight, Jack Chapman Miske (Scienti-Snaps, Bizarre), Bob Tucker (Le Zombie), and Donald Wollheim (The Phantagraph). It also included art work by Hannes Bok.
Vol 1, issue 4, published in September of 1940 included "The Tree on the Hill" by Duane Rimel, which had been revised by H. P. Lovecraft in 1934, and this was the first publication of it. It is now considered an essential work in the creation of the Cthulhu Mythos. Rimel was a correspondent of Lovecraft's from 1934 till 37. He was also one of the co-editors of The Acolyte.
During 1941, Polaris was a split zine with Shangri L'Affaires.