Leigh (David) Blackmore (born 1959) is an Australian horror writer, critic, editor, occultist and musician. He was the Australian representative for the Horror Writers of America (1994–95) and served as the second President of the Australian Horror Writers Association (2010–2011). His work has been nominated four times for the Ditmar Award, once for fiction and three times for the William Atheling Jr. Award for criticism. He has contributed entries to such encyclopedias as S.T. Joshi and Stefan J. Dziemianowicz (eds) Supernatural Literature of the World (Greenwood Press, 2005, 3 vols) and June Pulliam and Tony Fonseca (eds), Ghosts in Popular Culture and Legend (ABC-Clio, 2016).
According to The Melbourne University Press Encyclopedia of Australian Science Fiction and Fantasy, "His name is now synonymous with Australian horror," and a Hodder & Stoughton press release stated that, "Leigh Blackmore is to horror what Glenn A. Baker is to rock and roll.".He has also been recognised as "one of the leading weird poets of our era," and has been nominated for the Science Fiction Poetry Association's Rhysling Award.