| Abbreviation | Definition |
|---|---|
| NSY | Naval Ship Yard |
| NSY | New Scotland Yard |
| NSZ | Narodowe Sily Zbrojne |
| NT | Nice Target |
| NT | No Trouble |
| NT | Nodal Terminal |
| NT | Non Tracking |
| NT | Not Tough |
| NT | Nullify Threats |
| NTACS | Navy Tactical Air Control System |
| NTAP | National Track Analysis Program |
| NTAT | Not To Accompany Troops |
| NTB | National Target Base |
| NTB | Non Triggered Burst |
| NTB | Notice To Bidders |
| NTBC | National Military Joint Intelligence Center Targeting and Battle Damage Assessment Cell |
| NTC | National Training Center |
| NTC | Nautical Training Corps |
| NTC | Naval Telecommunications Command |
| NTC | Network Technology Command |