Kirsty is a fictional character from the Hellraiser media franchise. Created by writer Clive Barker, Kirsty first appears in the 1986 novella The Hellbound Heart. Her full name is identified in the sequels as Kirsty Singer, before being adapted in the 1987 film adaptation Hellraiser as Kirsty Cotton. The character served as a major focus in the original film and its sequel Hellbound: Hellraiser II, later playing a supporting role in Hellraiser VI: Hellseeker. In all of her appearances in the film series, she was portrayed by actress Ashley Laurence. The film describes her as being Larry Cotton's daughter, while in the novel she is simply a friend of his.

The Hellbound Heart is a horror novella by Clive Barker, first published in November 1986 by Dark Harvest in the third volume of its Night Visions anthology series. The story features a hedonist criminal acquiring a mystical puzzle box, the Lemarchand Configuration, which can be used to summon the Cenobites, demonic beings who do not distinguish between pain and pleasure. He escapes the Cenobites and, with help, resorts to murder to restore himself to full life. Later on, the puzzle box is found by another.