N
- NATO – North Atlantic Treaty Organisation
- NBC – Nuclear, Biological, Chemical
- NBMR – NATO Basic Military Requirement
- NCIS – Naval Criminal Investigative Service (US)
- NCO – Non-Commissioned Officer (US, E-4 - E-9)
- NCOIC – Non-Commissioned Officer In Charge
- NDI – Non-Developmental Item
- NDU – Navigation Display Unit
- NFOV – Narrow Field Of View
- NG – New/Next Generation
- Ni/Cd – Nickel Cadmium
- NLAW – Next Light (weight) Anti-armour Weapon
- NLOS-C – Non-Line Of Sight-Cannon
- NLOS-M – Non-Line Of Sight-Mortar
- NOD(s) - Night Optical Device(s)
- NRF – NATO Response Force
- NS – Network Services
- NTC – National Training Center (USA)
- NUGP – nominal unit ground pressure
- NV – Night Vision
- NVD – Night Vision Device
- NVE – Night Vision Equipment
- NVESD – Night Vision and Electronic Sensors Directorate
- NVG – Night Vision Goggle
- NVS – Night Vision System
- NZDF – New Zealand Defence Force
- NZEF – New Zealand Expeditionary Force (in WWI & WWII)
Read more about this topic: Glossary Of Military Abbreviations