Keith R. A. DeCandido (born April 18, 1969 in New York, United States) is an American sci-fi and fantasy writer. He ws the author of the three published novelizations of the Resident Evil movies: Resident Evil: Genesis, Resident Evil: Apocalypse, and Resident Evil: Extinction.
DeCandido is a prolific tie-in author, and has published novels for the Star Trek, Supernatural, and Buffy the Vampire Slayer franchises among others, as well as Farscape comic books. He has also written novels based on Marvel's Spider-Man and Thor comics, and wrote the novelisation for the Joss Whedon film Serentiy.
He has also published a number of original novels and short stories set within his supernatural Precinct series.