| Acronym | Meaning |
| KK | Kazakh Language (ISO 639-1 Code) |
| NJ | New Jersey (postal Symbol) |
| USJFCOM | United States Joint Forces Command |
| DES | Deep Ecliptic Survey |
| ASD(PA) | (U.S.) Assistant Secretary Of Defense (Public Affairs) |
| OJ | Anishinaabe Language (Ojibwa) (ISO 639-1 Code) |
| IT | Italian Language (ISO 639-1 Code) |
| MOW | Maintenance Of Way (also MW) |
| DY | Dysprosium |
| YK | Yottakelvin |