The Great Fetish is a science fiction novel by American writer L. Sprague de Camp. It was first published in Isaac Asimov's Science Fiction Magazine in two parts, as "Heretic in a Balloon" and "The Witches of Manhattan", in the issues for winter, 1977, and January/February, 1978, respectively. It was subsequently published in book form in hardcover by Doubleday in 1978 and in paperback by Pocket Books in 1980. An E-book edition was published by Gollancz's SF Gateway imprint on September 29, 2011 as part of a general release of de Camp's works in electronic form. It has also been translated into German.