| Acronym | Meaning |
| AFCEA | Armed Forces Communications And Electronics Association |
| Y | Yocto |
| AVP | Arubaanse Volkspartij |
| QIP | Quadrilateral Interoperability Programme (ancestor Of MIP; Quip) |
| BT | Baronet; (ii) Bacillus Thuringiensis |
| ASTREA | Aerial Support To Regional Enforcement Agencies (sheriff's Air Support Unit) |
| TUN | Tunisia (ISO 3166 Trigram) |
| HKG | Hong Kong (ISO 3166 Trigram) |
| TUG | TeX Users Group |
| GTM | Guatemala (ISO 3166 Trigram) |