| Acronym | Meaning |
| MAC | Macao (ISO 3166 Trigram) -U.S. Military Airlift Command (1966-1992) |
| MTM | Methods-Time Measurement |
| KN | Kannada Language (ISO 639-1 Code) |
| PJS | Pajamas (pee-jayz) |
| GN | Giganewton - Guinea (ISO 3166 Digram) |
| KWD | Kuwaiti Dinar (ISO 4217 Currency Code) |
| CBOL | Consortium For The Barcode Of Life |
| WM | Wehrmacht Marine (German WW2 Navy Vehicle Licence Plate Code) |
| NER | Niger (ISO 3166 Trigram) |
| HIMEZ | High Altitude Missile Engagement Zone |