| Acronym | Meaning |
| KIR | Kyrgyz Language (ISO 639-2 Code) |
| YT | Mayotte (ISO 3166 Digram) - Yottatesla - Yukon Territory (postal Symbol) |
| XUL | XML User Interface Language |
| UNCLOS | United Nations Convention On The Law Of The Sea |
| UP | Ukraine (FIPS 10-4 Country Code) -Uttar Pradesh |
| AFC | American Football Conference - Asian Football Confederation |
| NAN | Not A Number (computing) |
| SBS | Special Boat Service - Special Broadcasting Service |
| LPD | Landing Platform Dock (Navy Hull Classification) - Low Probability Of Detection |
| ES | Spanish Language (ISO 639-1 Code) |