| Acronym | Meaning |
| IRO | International Refugee Organisation |
| WMO | World Meteorological Organization |
| MEK | Magyar Elektronikus Konyvtar - Message Encryption Key - Methyl Ethyl Ketone -Mujahideen Al-Khalq |
| BRE | Breton Language (ISO 639-2 Code) |
| CCT | Current Commitments Team |
| UNAIDS | Joint United Nations Programme On HIV/AIDS |
| DUSD | (U.S.) Deputy Under-Secretary Of Defense |
| INA | Interlingua Language (ISO 639-2 Code) |
| VDR | North Vietnam (ISO 3166 Trigram |
| ACR | Advanced Concepts And Requirements |