English abbreviations from npa to npda
- NPA (Non-precision approach)
- NPAA (Nonprofit Professionals Alumni Association)
- NPAPI (Netscape Plugin Application Programming Interface)
- NPAT (National Patient Air Travel)
- NPB (Nippon Professional Baseball)
- NPC (Navy Personnel Command)
- NPC1 (Niemann–Pick disease)
- NPCA (National Parks Conservation Association)
- NPCAA (National Precast Concrete Association Australia)
- NPCC (Northeast Power Coordinating Council (US))
- NPCCF (National Prostate Cancer Coalition Fund)
- NPCS (Non-Passenger Coaching stock (in Railways))
- NPD (Nationaldemokratische Partei Deutschlands (German))
- NPDA (Network Program Determination Application)