| Acronym | Meaning |
| NAVTACNET | Navy Tactical Network |
| CTMS | Clinical Trial Management System |
| IWARS | Infantry Warrior Simulation |
| ET | Estonian Language (ISO 639-1 Code) |
| ITN | Independent Television News (British) |
| III | Three (in Roman Numerals) |
| PYG | Paraguayan Guarani (ISO 4217 Currency Code) |
| UPS | Uninterruptible Power Supply - United Parcel Service |
| FIA | F?d?ration Internationale De L'automobile (French International Automobile Federation) |
| LN | Lingala Language (ISO 639-1 Code) - Natural Logarithm |