Eryx may refer to: Eryx (city), an ancient city in Sicily, the modern Erice, Italy Battle of Eryx, 276 BC battle of the Pyrrhic War in Sicily Eryx (king of Sicily), mythological fighter and Elymian king Mount Eryx, upon which the city stood, the modern Mount Erice Eryx (mythology), two figures in Greek mythology Eryx (missile), an anti-tank missile Eryx (snake), a genus of snakes "In the Walls of Eryx", a short story by H. P. Lovecraft and K. J. Sterling