CAY
| Acronym | Definition |
|---|---|
| CAY | Conway (Amtrak station code; Conway, NH) |
| CAY | Cayman Airways (ICAO code) |
| CAY | Cove at Yarmouth (timeshare resort; West Yarmouth, MA) |
| CAY | Cayenne, French Guiana - Rochambeau (Airport Code) |
| CAY | Crazy About You |
| CAY | Confederation of Anarchist Youth |
| CAY | County Average Yield |