| Acronym | Meaning |
| SSO | Submarine Oiler (retired US Navy Hull Classification) |
| EMA | European Medicines Agency |
| FIE | Fly-In Echelon |
| CAW | Canadian Auto Workers Trade Union |
| TJK | Tajikistan (ISO 3166 Trigram) |
| PI | P?li Language (ISO 639-1 Code) |
| NU | Nicaragua (FIPS 10-4 Country Code) - Niue (ISO 3166 Digram) - Nunavut (postal Symbol) |
| EDH | Eastman Dental Hospital |
| PLO | Palestine Liberation Organization |
| SCAP | Supreme Commander Allied Powers (Allied Occupation Of Japan) |