| Abbreviation | Definition |
|---|---|
| USMV | United States Military Veterans |
| USN | United States Navy |
| USN | Unity, Service, Navigation |
| USN(R) | United States Navy (Retired) |
| USNA | United States Naval Academy |
| USNAS | United States Naval Air Station |
| USNAVCENT | United States Naval Forces, Central Command |
| USNAVEUR | United States Naval Forces, Europe |
| USNAVEUR | United States Navy, Europe |
| USNAVSO | Unites States Naval Forces Southern Command |
| USNAVSO | US Naval Forces Southern Command |
| USNB | United States Navy Band |
| USNB&C | United States Navy Band and Chorus |
| USNCB | United States National Central Bureau |
| USNCB | United States National Central Bureau (INTERPOL) |
| USND | United States Naval Detachment |
| USNF | United States Naval Fighter |
| USNF | United States Naval Forces |
| USNF | United States Nuclear Forces |
| USNG | United States Naval Group |