| Acronym | Meaning |
| CAN | Canada (ISO 3166 Trigram) |
| NWHN | U.S. National Women's Health Network |
| CIR | Corotating Interaction Region |
| BAA | British Airport Authority |
| LT | Lesotho (FIPS 10-4 Country Code) - Lithuania (ISO 3166 Digram) |
| C2 OR C? | Command And Control |
| AT&T | American Telephone And Telegraph (U.S. Company |
| ROFL(MAO) | Rolling On The Floor Laughing (My Ass Off) |
| UNFICYP | United Nations Peacekeeping Force In Cyprus |
| GU | Guam (postal Symbol; ISO 3166 Digram) |