| Acronym | Meaning |
| AY | Antarctica (FIPS 10-4 Territory Code) |
| SADD | Students Against Drunk Driving (national School Related Group) |
| USPS | United States Postal Service |
| MOND | Modified Newtonian Dynamics |
| DOM | Deo Optimo Maximo (Latin |
| Q4 | Fourth Quarter |
| ON | Ontario (postal Symbol) |
| VAT | Value-Added Tax -Vatican City-State (ISO 3166 Trigram) |
| KS | Kashmiri Language (ISO 639-1 Code) - Kilosecond |
| UNOSOM | United Nations Operations In Somalia |