Graymalkin is a science fiction fanzine by Denise Parsley Leigh.
Graymalkin was published in Cincinnati, Ohio, U.S.A. and was first released in 1978. Denise Leigh continued to release issues up to #6, which appeared in 1981. It was 8 1/2 by 11" zine featuring articles, reviews, stories and letters.
Contributing artists included Earl House.
Letters came from Robert Bloch, George R.R. Martin, Andrew Offut, and others.