Garry Douglas Kilworth (born July 5, 1941 in York, England) is a fantasy and historical novelist.
Kilworth is a graduate of King's College London. He was previously a science fiction author, having published one hundred twenty short stories and seventy novels. His most recent books are Brothers of the Blade, a historical war novel set in India, and Attica, a dark quest set in an attic the size of a continent.
Kilworth's novel Rogue Officer has won the 2008 Charles Whiting Award for Literature. The Ragthorn, a novella co-authored with Robert Holdstock, won the World Fantasy Award in 1992.