Choy may refer to:
- Choy, Cantonese Chinese or version of Cai (surname).
- Choy is a Malayalee surname, sometimes spelt as Choyi or Choyee.
- Choysky District, Altai Republic of Russia
- Chōyō, Kumamoto, village in Aso District, Kumamoto of Japan
- CHOY-FM, a radio station in Moncton, New Brunswick, Canada
- CHOY-TV, a defunct TV station in Saint-Jérôme, Quebec, Canada