Eryx may refer to:
*
Eryx (Sicily), an ancient city in Sicily, the modern Erice, Italy
* Mount Eryx, upon which the city stood, the modern
Mount Erice
*
Eryx (mythology), a mythological king of the Sicilian city of Eryx, and boxer killed by Heracles
*
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
{{Disambiguation, geo