Graham Masterton (born 1946, Edinburgh) is a British horror author. Originally editor of Mayfair and the British edition of Penthouse, Graham Masterton's first novel The Manitou was published in 1976 and adapted for the film in 1978.

Further works garnered critical acclaim, including a Special Edgar award by the Mystery Writers of America for Charnel House and a Silver Medal by the West Coast Review of Books for Mirror. He is also the only non-French winner of the prestigious Prix Julia Verlanger for his novel Family Portrait, an imaginative reworking of the Oscar Wilde novel The Picture of Dorian Gray.

Masterton's novels often contain visceral sex and horror. In addition to his novels, Masterton has written a number of sex instruction books, including How To Drive Your Man Wild In Bed and Wild Sex for New Lovers.

Visit www.grahammasterton.co.uk