| Acronym | Meaning |
| HVO | Upper Volta (ISO 3166 Trigram; Obsolete 1984) |
| HAART | Highly Active Anti-Retroviral Therapy |
| PLN | Platoon |
| UWTG | Under Water Tug |
| MHZ | Megahertz |
| MCC | Marylebone Cricket Club - Mission Control Centre - Movement Control Centre |
| MDMA | MethyleneDioxy-MethylAmphetamine (also Known As Ecstasy) |
| LX | Luxembourg (amateur Radio ITU Prefix) - Swiss International Airlines (IATA Code) |
| UNAIDS | Joint United Nations Programme On HIV/AIDS |
| IACREOT | International Association Of Clerks |