Coy or COY may refer to:

• Coy, Arkansas, a town
• Coy, Alabama, an unincorporated community
• Coy, Missouri, an unincorporated community
• Coy Branch, Missouri, a stream

• Coy Burn, Scotland, a stream
• Coy, Spain, a village
• Coolawanyah Station Airport, IATA airport code "COY"

• Coy (name), a list of people and a fictional character with the surname or given name
• Coy Cup, awarded to the Senior AA ice hockey champions of British Columbia
• COY, the ICAO designator for Coyne Airways, a British airline
• Abbreviation for company in the UK and some Commonwealth militaries

• Coy Site, Arkansas, United States, an archaeological site
• Coi (disambiguation)
• Koi, a type of ornamental domesticated fish
• Koi (disambiguation)
• McCoy (disambiguation)