Phil Masters is a British role-playing game author.
Phil Masters described his British campaign for the Champions superhero game in Kingdom of Champions (1990) from Hero Games. He contributed adventures to Hogshead Publishing's licensed version of Warhammer Fantasy Roleplay in the mid 1990s. Masters also contributed articles to The Excellent Prismatic Spray, a magazine supporting The Dying Earth Roleplaying Game by Pelgrane Press.
Masters has written or co-written numerous GURPS supplements, including GURPS Arabian Nights, GURPS Castle Falkenstein and GURPS Discworld, and various Mage: The Sorcerer's Crusade supplements for White Wolf, Inc. He also created The Skool Rules, a game based on the Nigel Molesworth books.