"Red Moon of Zembabwei" is a short story by L. Sprague de Camp and Lin Carter featuring the fictional sword and sorcery hero Conan the Barbarian created by Robert E. Howard. It was first published in the July 1974 issue of the magazine Fantastic, and was first appeared in book form by Ace Books in the paperback collection Conan of Aquilonia in May 1977, which was reprinted several times through 1994. The first British edition was published by Sphere Books in October 1978.