CY
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| CY | Calendar Year | - | Organizations |
| CY | Cycle | - | Organizations |
| CY | Calm Yourself | - | ISO Country Codes |
| CY | Calendar Year -Cyprus (ISO 3166 And FIPS 10-4 Country Code Digram) | - | Astronomy |
| CY | Welsh Language (ISO 639-1 Code) | - | Astronomy |