| Acronym | Meaning |
| NKVD | Narodnyi Komissariat Vnutrennikh Del (Russian People's Commissariat Of Internal Affairs) (1934-1954) |
| LNB | Low-Noise Block (Satellite Dish) |
| NIN | Nine Inch Nails (band) |
| KT | Kilotesla |
| ZHO | Chinese Language (ISO 639-2 Code) |
| HU | Hungarian Language (ISO 639-1 Code) |
| CAW | Canadian Auto Workers Trade Union |
| WW | See Entry |
| CMPD | Chronic Myeloproliferative Disease |
| YI | Serbia And Montenegro (deprecated FIPS 10-4 Country Code |