Luke Davies (born 1962, Sydney) is an Australian writer of novels and poetry.

Davies grew up in West Pymble, Sydney, in a middle-class Catholic family. He went to a private school and then to the University of Sydney to study for an arts degree. He published his first poetry collection, Four Plots for Magnets, in 1982, in his third year. "After that 'things went wrong'. His habit [drug addiction] developed and it was not until 1990 that he got clean."

His novel Candy, recently made into a film starring Heath Ledger. His other works include another novel, Isabelle the Navigator, and poetry Four Plots for Magnets, Absolute Event Horizon, Running With Light and Totem.

Davies' collection of poetry Absolute Event Horizon was shortlisted for the 1995 Turnbull Fox Phillips poetry prize.

His new novel, "God of Speed" about Howard Hughes is due for release in April 2008.Allen & Unwin

Davies' brother, Ben Davies, is an Australian Television producer. Ben now teaches at Armidale Film and Television School in NSW, Australia.