LY
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| LY | Light Year (usu. Ly) | - | Atmospheric Research Center |
| LY | Love Ya | - | Sms Text Smileys and Emoticons |
| LY | Love You | - | ISO Country Codes |
| LY | Libya (FIPS 10-4 Country Code; ISO 3166 Digram) - Lithuania (amateur Radio ITU Prefix) | - | Astronomy |