Coq
Coq or COQ may refer to:
- coq, ISO 639-3 code for Coquille, a dialect of the Tututni language
- Coq, the French word for "rooster" or "cock"
- Coq (software), an interactive theorem prover
- CoQ, common term for Coenzyme Q10, a naturally occurring biochemical cofactor and antioxidant produced by the human body
- CoQ, abbreviation for Caves of Qud, a role-playing video game released in 2015
- CoQ, abbreviation for cost of quality
- The Coq, colloquial term for the Coquihalla Highway in British Columbia, Canada