Ralph Horsley is an artist whose work has appeared in role-playing games.
His Dungeons & Dragons work includes cover art for the adventure The Shattered Gates of Slaughtergarde (2006), and interior art for Monster Manual III (2004), Player's Handbook II (2006), ' (2006), Complete Psionic (2006), Complete Mage (2006), Cityscape (2006), The Shattered Gates of Slaughtergarde (2006), Dungeonscape (2007), Magic Item Compendium (2007), Monster Manual V (2007), Rules Compendium (2007), Elder Evils (2007), and the 4th edition Monster Manual (2008) and Manual of the Planes (2008).
He is known for his work on the ' collectible card game. He has also contributed art to the World of Warcraft Trading Card Game and Hearthstone.
Horsley was married to artist Anne Stokes.