The Nekromantikon was an amateur press periodical released by Manly Bannister in Kansas City, Missouri, U.S.A..
Subtitled "The Amateur Magazine of Weird and fantasy", five issues were released in the 1950s. It was a literary fanzine focusing on fiction in the weird, fantasy and science fiction genres. It was a mimeographed publication and the cover and illustrations were made with linoleum cuts, carved and printed by the editor. All the issues have colour covers.
The first issue was released in an edition of 250. The first four issues appeared in 1950 in Spring, Summer, Fall and Winter editions; the last issue appeared in 1951.
Contributors included Steve Benedict, C. O. Betancourt, Alice L. Bullock, David R.Bunch, Isabelle E. Dinwiddle, Dorothy M. Faulkner, Terry Jeeves, Lilith Lorraine, Vernon McCain, Orma McCormick, Genevieve K. Stephens, Charlotte Todd, Wilson "Bob" Tucker, Janes Warren, and many others.
The Nekromantilon also contains the story "Why Abdul Alharred Went Mad", by D.R. Smith, which is considered an essential work in the creation of the Cthulhu Mythos.