Ross Watson (born May 22, 1975) is a designer of computer, miniature and role-playing games and a writer in various genres. Watson worked on the Warhammer 40,000 Roleplay line as the Lead Developer for Dark Heresy, was the lead designer for Rogue Trader and Deathwatch, and was part of the design team for Black Crusade. His written works include the Accursed setting for Savage Worlds, contributions to the Star Wars: Edge of the Empire RPG, and the video games Darksiders II and Regicide Warhammer 40,000: Regicide. Watson has designed rules and scenarios for miniature game lines, such as Dust Warfare, and he has written for several card games, including Warhammer: Invasion, Empire Engine, and the Lost Legacy series.