Greg Cox (born 1959) is an American fantasy and science fiction writer known for his work in a variety of Star Trek novels and stories, which center around the iconic villain of the Enterprise Crew, Khan as played by Ricardo Montalbán: The Eugenics Wars (Volume One and Two), The Q Continuum, Assignment: Eternity, and The Black Shore. His first "Khan" novel, The Eugenics Wars: Volume One, was voted best sci-fi book of the year by the readers of Dreamwatch magazine. Cox would be later interviewed as part of a bonus feature on the "Director's Edition" DVD of Star Trek II: The Wrath of Khan.
Other novelization works of his include movies such as Man of Steel (2012), Godzilla (2014), Batman: The Dark Knight Rises (2012) and a prequel novel to Terminator: Salvation called Terminator Salvation: Cold War.
He would contribute to the Planet of the Apes franchise writing the official novelization of War for the Planet of the Apes, which was published by Titan Books. Cox would later return to the franchise as an additional writer of the Planet of the Apes Role Playing Game.