Eryx may refer to:
- Eryx (Sicily), an ancient city in Sicily, Italy, as well as the mountain upon which it stood, located at modern Erice
- Eryx, a mythological king of the Sicilian city of Eryx, and boxer killed by Heracles
- ERYX, an anti-tank missile
- Eryx (genus), a genus of snake
- "In the Walls of Eryx", a short story by H. P. Lovecraft & K. J. Sterling
disambiguation page lists articles associated with the title Eryx.
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