English abbreviations from ncy to nday
- NCY (Meythet Airport)
- NCYL (National Center for Youth Law)
- NCZ (North Carolina Zoo)
- ND (Navigation display)
- N. D. (Nostra Domina, Notre Dame ("Our Lady"))
- ND:YLF (Neodymium: Yttrium Lithium Fluoride (laser))
- NDA (Non-Disclosure Agreement)
- NDAA (U.S. National Defense Authorization Act)
- NDAC (North Dakota Agricultural College)
- NDAF (Navy, Defense Logistics Agency, Air Force)
- NDAI (National Diabetes Association, Inc.)
- N-Day (Day An Active Duty Unit is Notified For Deployment or Redeployment)