"The Scarlet Citadel" is one of the original short stories starring the fictional sword and sorcery hero Conan the Cimmerian, written by American author Robert E. Howard and first published in the January, 1933 issue of Weird Tales magazine. It is set in the pseudo-historical Hyborian Age and concerns a middle-aged Conan battling rival kingdoms, being captured through treachery and escaping from an eldritch dungeon via unexpected aid. The story includes Tsotha-lanti who is an evil wizard whose sorcerous arts help ensnare King Conan.