| Abbreviation | Definition |
|---|---|
| NGIS | Navy Gateway Inn and Suites |
| NGIS | Navy Gateway Inn Suites |
| NGIS | Navy Gateway Inns Suites |
| NGIS | Navy Gateways Inns and Suites |
| NGNMPS | Next Generation Naval Mission Planning System |
| NGNMPS | Next Generation Navy Mission Planning System |
| NGS | naval gunfire support |
| NGSM | Naval General Service Medal |
| NH | Navy Hoedown |
| NHC | Naval Historical Center |
| NHCA | Naval Health Clinic Annapolis |
| NHCL | Naval Health Clinic Lemoore |
| NHCP | Naval Hospital Camp Pendleton |
| NHEITC | Navy Higher Educational Information Technology Consortium |
| NHHC | Naval History and Heritage Command |
| NHOH | Naval Hospital Oak Harbor |
| NHP | Naval Hospital Pensacola |
| NICA | Naval Institute of Computer Applications |
| NICN | Navy Item Control Number |
| NICN | Navy Item Control Numbers |