Chaos was a science fiction fanzine by Jack Chapman Miske.
Chaos first appeared in January 1939 in Cleveland, Ohio, U.S.A. The first issue is digest-sized with 9 pages of text, and is entirely devoted to a fantasy fiction short story written by Miske titled "Athane".
At the front of the fanzine Miske includes this acknowledgement: "I am indebted to Forrest J Ackerman for his cooperation in compositing and stenciling this magazine on his machine and to Morojo (Miss Myrtle R. Douglas) sincere thanks for mimeoing and cover."
Cover design, as mentioned in the acknowledgement, is by Myrtle Douglas.