Fantasmagoria was a science fiction and weird fiction fanzine edited by John J. Weir in the 1930's.
Fantasmagoria was published in Perth Amboy, New Jersey. The first issue appeared in March, 1937, and it was a hektographed and stapled publication. The second issue appeared in July 1937.
Contributors included Robert Bloch, Bernard A. Dwyer, Henry Kuttner, J Harvey Haggard, Hazel Heald, H.P. Lovecraft, Robert Lowndes, William Lumley, Emil Petaja, Duane Rimel, Clark Ashton Smith, Corwin F. Stickney, and Manly Wade Wellman.
Illustations were by John V. Baltadonis.