– (i) Nippon Professional Baseball NPC (i) National Postgraduate Committee National Provincial Championship (New Zealand rugby competition) Navigation Planning Chart Non-Player Character (role-playing games) NPCS – (i) Non-Passenger Coaching stock (in Railways) NPD – (i) Nationaldemokratische Partei Deutschlands (German) NPDI – (i) New Product Development and Introduction NPG – (i) Needline/Network Participation Group NPH – (i) Normal Pressure Hydrocephalus NPL (i) National Priorities List (s) Nepal (ISO 3166 trigram) NPPU - Nose Personal Protection Unit (copper nose insert) NPOV – (i) Neutral Point Of View NPR (i) National Public Radio (s) Nepalese rupee (ISO 4217 currency code) NQ NQ – (s) Dronning Maud Land (ISO 3166 digram; obsolete 1983) NQOCD – (i) Not Quite Our Class, Dear (or Darling). (Upper-class English slang) NPO – nothing by mouth NR nr – (s) Southern Ndebele language (ISO 639-1 code) NR – (s) Nauru (ISO 3166 and FIPS 10-4 country code digram) NRA – (i) National Rifle Association of America NRAO – (i) National Radio Astronomy Observatory NRC (i) National Register of Citizens (India) National Research Council (U.S.) Nuclear Regulatory Commission (U.S.) NRDC – (i) (U.S.) Natural Resources Defense Council NREL – (i) U.S. National Renewable Energy Laboratory NRK – (p) Norsk Rikskringkasting (Norwegian Broadcasting Corporation) NRMP – (i) National Resident Matching Program (U.S. medicine) NRO – (i) U.S. National Reconnaissance Office NRT – (i) Near Real Time NRTA (i) National Retail Tenants Association National Retired Teachers Association Northwest Regional Transmission Association NRU – (s) Nauru (ISO 3166 trigram) NS ns – (s) Nanosecond nS – (s) Nanosiemens NS (s) Norfolk Southern Railway (AAR reporting mark) Nova Scotia (postal symbol) Suriname (FIPS 10-4 country code) NSA (i) U.S. National Security Agency Naval Support Activity No Strings Attached NSABB – (i) National Science Advisory Board for Biosecurity NSAID – (i) Non-Steroidal Anti-Inflammatory Drug NSB – (i) Norges Statsbaner (Norwegian State Railways) NSBM – (i) National Socialist black metal NSC – National Security Council NSDA – (i) National Speech and Debate Association (US) NSDAP – (i) Nationalsozialistische Deutsche Arbeiterpartei (German: "German National Socialist Workers Party", the formal name of the Nazi Party) NSDL – (i) National Science Digital Library (US) NSG – (i) National System for Geospatial-Intelligence NSN – (i) National Stock Number NSNA – (i) National Student Nurses' Association NSO – (i) National Standardization Office (ABCA) NSS – (i) (U.S.) Naval Simulation System NST – (i) (UK) Nimrod Software Team NSTAC – (i) National