Supernatural Horror in Literature is an essay by American writer H. P. Lovecraft, surveying the development and achievements of horror fiction as the field stood in the 1920s and 30s. It first examines the beginnings of weird fiction in the early gothic novel. The survey then proceeds to outline the development of the supernatural and the weird in the work of major writers such as Ambrose Bierce, Nathaniel Hawthorne, and Edgar Allan Poe.

Howard Phillips Lovecraft (August 20, 1890 - March 15, 1937) was an American writer of weird and horror fiction, who is known for his creation of what became known as the Cthulhu Mythos.