| N/A | Not Available |
| N4BB | News for BlackBerrys |
| N4G | News for Gamers |
| NA | Namibia |
| NA | Not Applicable |
| Na | Sodium |
| NA | North American Airlines |
| NA | Naturally Aspirated |
| NA | Nigerian Army |
| NA | North Allegheny School District |
| NA | National Amusements |
| na | Namibia |
| NAAC | National Assessment and Accreditation Council |
| NAAC | National Association of Agricultural Contractors |
| NABARD | National Bank for Agriculture and Rural Development |
| NABH | National Accreditation Board for Hospitals and Healthcare Providers |
| NABH | Nashoba Associated Boards of Health |
| NABL | National Accreditation Board for Testing and Calibration Laboratories |
| NABL | National Association of Bond Lawyers |
| NABL | National Alliance of Basketball Leagues |
| NABL | North American Baseball League |
| NABL | National Athletic Basketball League |
| NAC | N-Acetylcysteine |
| NAc | Nucleus Accumbens |
| NAC | Network Access Control |
| NAC | National Advisory Council |
| NAC | North Atlantic Council |
| NAC | New Apostolic Church |
| NAC | Nursing Assistant Certified |
| NAC | Nickel Asia Corporation |
| NAC | National Arts Centre |
| NAC | National Academy of Construction |
| NAC | N-Acetylcarnosine |
| NAC | National Arts Council |
| NAC | Narodowe Archiwum Cyfrowe |
| NAC | National Airways Corporation |
| NAC | Northern Air Cargo |
| NAC | Nunavut Arctic College |
| NAC | New Agenda Coalition |
| NAC | Native American Church |
| NAC | Network Admission Control |
| NAC | North Atlantic Conference |
| NAC | Notified Area Council |
| NAC | National Agency Check |
| NAC | Nanjing Automobile Corporation |
| NAC | Naturist Action Committee |
| NAC | North Atlantic Current |
| NAC | National Aquatic Centre |
| NAC | National Arts Club |
| NAC | National Airways Corporation |
| NAC | Nyasaland African Congress |
| NAC | Neepawa Access Community |
| NAC | Natural Area Code |
| NAC | NOAD ADVENDO Combinatie |
| NAC | Nauru Air Corporation |
| NAC | National Abortion Campaign |
| NAC | Nowra Anglican College |
| NAC | Newspaper Agency Corporation |
| NACA | National Advisory Committee for Aeronautics |
| NACA | Neighborhood Assistance Corporation of America |
| NACA | Network of Aquaculture Centers in Asia-Pacific |
| NACA | National Association of Consumer Advocates |
| NACA | National Association for Campus Activities |
| NACA | National Agency for the Control of AIDS |
| NACA | Native American Community Academy |
| NACA | Nascent Polypeptide-Associated Complex Alpha Subunit |
| NACA | National Animal Care & Control Association |
| NACA | National Air Carrier Association |
| NACA | Nunavut Arts and Crafts Association |
| NACA | National Association of Construction Auditors |
| NACA | National Association for Clean Air |
| NACA | National Aged Care Alliance |
| NACH | National Automated Clearing House |
| NaCl | Sodium Chloride |
| NACL | Nagarjuna Agrichem Limited |
| NACLC | National Association of Community Legal Centres |
| NACLC | National Agency Check with Local Record and Credit Checks |
| NACO | National AIDS Control Organisation |
| NACo | National Association of Counties |
| NADRA | National Database and Registration Authority |
| NADRA | North American Deck and Railing Association |
| NAEP | National Assessment of Educational Progress |
| NAEP | National Adult Education Programme |
| NAEP | National Association of Environmental Professionals |
| NAEP | National Association of Educators in Practice |
| NAFED | National Agency for Export Development |
| NAFED | National Agricultural Cooperative Marketing Federation |
| NAFED | National Association of Fire Equipment Distributors |
| NAfME | National Association for Music Education |
| NAfME | National Association for Music Education |
| NAFTA | North American Free Trade Agreement |
| NAIAS | North American International Auto Show |
| NAICS | North American Industry Classification System |
| NAL | New American Library |
| NAL | National Agricultural Library |
| NAL | National Aerospace Laboratories |
| NALC | National Association of Letter Carriers |
| NALC | National Association of Local Councils |
| NALC | North American Lutheran Church |
| NALC | National Agricultural Law Center |
| NALCO | National Aluminium Company Limited |
| NALCO | National Aluminate Corporation |
| NAMA | Non-Agricultural Market Access |
| NAMA | National Asset Management Agency |
| NAMA | National Agri-Marketing Association |
| NAMA | National Automatic Merchandising Association |
| NAMA | North American Mycological Association |
| NAMA | Nigerian Airspace Management Agency |
| NAMA | National Ayurvedic Medical Association |
| NAMA | National Alliance of Methadone Advocates |
| NAMA | New Amsterdam Musical Association |
| NAMA | North American Manipur Association |
| NAMo | Narendra Modi |
| NAMO | National Association of Maritime Organizations |
| NANP | North American Numbering Plan |
| NANP | National Association of Nutrition Professionals |
| NAPCAN | National Association for Prevention of Child Abuse and Neglect |
| NAPRA | National Association of Pharmacy Regulatory Authorities |
| NAPRA | National Agricultural Pesticide Risk Analysis |
| Napster | named after Fanning’s hairstyle-based nickname |
| NAS | Network-Attached Storage |
| NASA | National Aeronautics and Space Administration |
| NASA | National Auto Sport Association |
| NASA | National Association of Students of Architecture |
| NASA | North American Saxophone Alliance |
| NASCAR | National Association for Stock Car Auto Racing |
| NASDAQ | National Association of Securities Dealers Automated Quotations |
| NASS | National Agricultural Statistics Service |
| NASS | National Association of Secretaries of State |
| NASS | National Asylum Support Service |
| NASS | Network Attachment Subsystem |
| NASS | Ngee Ann Secondary School |
| NASSCOM | National Association of Software and Services Companies |
| NAT | Network Address Translation |
| NAT | Nutrition Analysis Tool |
| NAT | Nucleic Acid Testing |
| NAT | National Air Transport |
| NATA | National Aptitude Test in Architecture |
| NATA | National Athletic Trainers’ Association |
| NATA | National Association of Testing Authorities |
| NATA | National Air Transportation Association |
| NATA | Northern Air Transport Association |
| NATA | National Air Toxics Assessment |
| NATA | North American Trainer Association |
| NATA | National Association for Temple Administration |
| NATA | Nebraska Association of Trial Attorneys |
| NATGRID | National Intelligence Grid |
| NATO | North Atlantic Treaty Organization |
| NAV | Navigation |
| NAV | Norton Anti-Virus |
| NAVIC | NAVigation with Indian Constellation |
| Nazi | National Socialist German Workers’ Party |
| NB | Nota Bene |
| NB | New Balance |
| Nb | Niobium |
| NB | New Brunswick |
| NB | Neuroblastoma |
| NB | Nigerian Breweries |
| nb | nanobarn |
| NB | Sterling Airlines |
| NBA | National Basketball Association |
| NBA | National Board of Accreditation |
| NBA | National Bar Association |
| NBA | Narmada Bachao Andolan |
| NBA | National Bank of Azerbaijan |
| NBA | N-Butyl Alcohol |
| NBA | North Bay Aqueduct |
| NBA | Nambaiyufa Airport |
| NBAD | Network Behavior Anomaly Detection |
| NBAD | National Bank of Abu Dhabi |
| NBC | National Broadcasting Company |
| NBC | National Business Center |
| NBC | National Building Code |
| NBC | National Bank of Canada |
| NBC | Namibian Broadcasting Corporation |
| NBFC | Non-Banking Financial Company |
| NBFC | North Beach Football Club |
| NBFC | New Beginnings Family Church |
| NBFC-MFI | Non Banking Financial Company - Micro Finance Institution |
| NBPPL | NTPC BHEL Power Projects Private Limited |
| NBR | Nitrile Butadiene Rubber |
| NBR | National Business Review |
| NBR | National Board of Revenue |
| NBR | Nilgiri Biosphere Reserve |
| NBRI | National Botanical Research Institute |
| NBRI | National Business Research Institute |
| NBRI | North Bay Resources Inc. |
| NBS | National Bureau of Standards |
| NBS | National Blood Service |
| NBS | National Bank of Slovakia |
| NBS | Nehru Bal Sangh |
| NBSTC | North Bengal State Transport Corporation |
| NBT | NetBIOS over TCP/IP |
| NBT | Nitro-blue Tetrazolium |
| NBT | National Book Trust |
| NBT | Natural Building Technologies |
| NBT | National Broadcasting Services of Thailand |
| NC | Normally Closed |
| NC | North Carolina |
| NC | Newcastle |
| NC | Nitrocellulose |
| NC | Network Computer |
| NC | New Castle |
| NC-17 | No One 17 and Under Admitted |
| NCAP | New Car Assessment Programme |
| NCAP | Network Capable Application Processor |
| NCAP | National Coalition of Abortion Providers |
| NCAP | Northwest Coalition for Alternatives to Pesticides |
| NCAP | Northern Colorado AIDS Project |
| NCAP | National Coalition Against Poverty |
| NCAP | Northern Colorado Anesthesia Professionals |
| NCAP | National Centre for Agricultural Economics and Policy Research |
| NCBS | National Centre for Biological Sciences |
| NCC | National Cadet Corps |
| NCC | National Capital Commission |
| NCC | National Community Church |
| NCC | Newcastle City Council |
| NCC | Norwalk Community College |
| NCC | Nondescripts Cricket Club |
| NCC | Nunawading Christian College |
| NCC | Nikko Cordial Corporation |
| NCC | Niigata Computer College |
| NCDB | National Cancer Database |
| NCDB | National Consortium on Deaf-Blindness |
| NCDB | National Compliance Database |
| NCDB | Neighborhood Change Database |
| NCDC | National Climatic Data Center |
| NCDC | National Centre for Disease Control |
| NCDC | National Cooperative Development Corporation |
| NCDC | National Criminal Defense College |
| NCDEX | National Commodity & Derivatives Exchange |
| NCDRC | National Consumer Disputes Redressal Commission |
| NCERT | National Council of Educational Research |
| NCHR | National Centre for Human Rights |
| NCIX | Netlink Computer Inc. |
| NCLP | National Child Labour Project |
| NCLP | Novell Certified Linux Professional |
| NCLP | Northern Cosmetic Laser Practice |
| NCO | Numerically Controlled Oscillator |
| NCO | Non-Commissioned Officer |
| NCO | National Cyber Olympiad |
| NCO | Net Capital Outflow |
| NCO | NetCDF Operators |
| NCO | Network-Centric Operations |
| NCO | Nuova Camorra Organizzata |
| NCO | Isocyanate |
| NCO | National Children’s Orchestras |
| nCoV | novel CoronaVirus |
| NCP | Nationalist Congress Party |
| NCP | Novel Coronavirus Pneumonia |
| NCP | National Congress Party |
| NCP | Nepal Communist Party |
| NCP | National Consumer Panel |
| NCP | National Car Parks |
| NCP | National Contingency Plan |
| NCP | Network Control Program |
| NCP | National Centre for Physics |
| NCP | Nucleosome Core Particle |
| NCP | Netware Core Protocol |
| NCP | Nonlinear Complementarity Problem |
| NCP | National Coalition Party |
| NCP | North Celestial Pole |
| NCP | National Contingency Plan |
| NCP | National Check Professional |
| NCP | Network Communications Products |
| NCP | Network Control Program |
| NCP | New Communist Party |
| NCP | National Centrist Party |
| NCP | National Christian Party |
| NCPCR | National Commission for Protection of Child Rights |
| NCPEDP | National Centre for Promotion of Employment for Disabled People |
| NCPUL | National Council for Promotion of Urdu Language |
| NCQ | Native Command Queuing |
| NCR | National Capital Region |
| NCR | North Central Railway |
| NCR | National Capital Region |
| NCR | National Cash Register |
| NCR | National Catholic Reporter |
| NCR | North Circular Road |
| NCR | San Carlos Airport |
| NCRT | Northern Central Railroad Trail |
| NCRT | National Council on Radio Television |
| NCSCM | National Centre for Sustainable Coastal Management |
| NCSWCLB | North Carolina Social Work Certification and Licensure Board |
| NCTC | National Counterterrorism Center |
| NCTC | North Central Texas College |
| NCTC | National Collection of Type Cultures |
| NCTE | National Council for Teacher Education |
| NCTE | National Council of Teachers of English |
| NCTE | National Center for Transgender Equality |
| NCTE | National Centre for Technology in Education |
| NCTE | Nortel Certified Technology Expert |
| NCTE | National College of Textile Engineering |
| NCUA | National Credit Union Administration |
| NCUSIF | National Credit Union Share Insurance Fund |
| NCVT | National Council for Vocational Training |
| NCW | National Commission for Women |
| NCW | Network Centric Warfare |
| NCW | National Council of Women |
| NCW | National Chemistry Week |
| NCW | New College Worcester |
| NCW | Naval Coastal Warfare |
| NCW | Neocatechumenal Way |
| NCW | Northern Championship Wrestling |
| NDA | Non-Disclosure Agreement |
| NDA | New Drug Application |
| NDA | National Defence Academy |
| NDA | National Democratic Alliance |
| NDA | Nigerian Defence Academy |
| NDA | Nuclear Decommissioning Authority |
| NDA | National Defence Act |
| NDA | National Defense Academy |
| NDA | National Dance Alliance |
| NDA | National Dental Association |
| NDA | Bandanaira Airport |
| NDA | Niger Delta Avengers |
| NDA | New Dutch Academy |
| NDC | National Drug Code |
| NDC | National Democratic Congress |
| NDC | National Development Council |
| NDC | National Dental Centre |
| NDDB | National Dairy Development Board |
| NDDB | National Dairy Development Board |
| NDF | Neutral Density Filter |
| NDF | National Digital Forum |
| NDF | Neutral Detergent Fibre |
| NDIIPP | National Digital Information Infrastructure and Preservation Program |
| NDMA | N-Nitrosodimethylamine |
| NDMA | National Disaster Management Authority |
| NDMA | National Disaster Management Authority |
| NDMA | National Digital Medical Archive |
| NDMA | North Dakota Medical Association |
| NDPL | North Delhi Power Limited |
| NDPL | National Democratic Party of Liberia |
| NDPP | National Director of Public Prosecutions |
| NDPP | Nationalist Democratic Progressive Party |
| NDRF | National Disaster Response Force |
| NDRF | National Defense Reserve Fleet |
| NDTV | New Delhi Television |
| NEASC | New England Association of Schools and Colleges |
| NEASC | New England Atlantic Salmon Committee |
| NEBOSH | National Examination Board in Occupational Safety and Health |
| NEC | Nippon Electric Company |
| NECC | National Egg Coordination Committee |
| NECC | National Educational Computing Conference |
| NECC | North Equatorial Counter Current |
| NECC | Northern Essex Community College |
| NECC | New England Center for Children |
| NECC | North East Chamber of Commerce |
| NECC | Navy Expeditionary Combat Command |
| NECC | Net-Enabled Command Capability |
| NECC | Non Error-Correcting Code |
| NED | Non-Executive Director |
| NED | No Evidence of Disease |
| NED | North East Derbyshire |
| NED | Nadirshaw Eduljee Dinshaw |
| NED | NASA/IPAC Extragalactic Database |
| NED | Nanded Railway Station |
| NED | No Expiration Date |
| NED | National Eye Database |
| NEDFi | North Eastern Development Finance Corporation Ltd |
| NEERI | National Environmental Engineering Research Institute |
| NEET | National Eligibility cum Entrance Test |
| NEET | Not in Employment Education or Training |
| NEET | Nuclear Excitation by Electronic Transition |
| NEET | NorthEast Estates and Trusts |
| NEFT | National Electronic Fund Transfer |
| NeGD | National e-Governance Division |
| NeGP | National e-Governance Plan |
| NEGP | National Education Goals Panel |
| NEGP | North European Gas Pipeline |
| NEGP | Nurse Education Grant Program |
| NEIAH | North Eastern Institute of Ayurveda & Homoeopathy |
| NEMA | National Emergency Management Agency |
| NEMA | National Environment Management Authority |
| NEMA | Nebraska Emergency Management Agency |
| NEMA | New England Museum Association |
| NEMA | National Environment Management Authority |
| NEMA | National Emergency Management Agency |
| NEMA | Northeastern Midget Association |
| NEP | Noise Equivalent Power |
| NEP | Nationwide Express Parcels |
| NEP | China North East Petroleum |
| NEPAL | derived from the word “Nepa” which refers to the Newar Kingdom |
| NEPZ | Noida Export Processing Zone |
| NERF | Neuro-Electronics Research Flanders |
| NERF | Non-Expanding Recreational Foam |
| Nero | Nero Burning ROM named after Nero burning Rome |
| NES | Nintendo Entertainment System |
| NES | Nuclear Export Signal |
| NES | Nashville Electric Service |
| NES | Night Eating Syndrome |
| NES | NASA Explorer School |
| NES | Nottingham Emmanuel School |
| NES | National Employment Standards |
| NES | National Environmental Standards |
| NES | National Evaluation Series |
| NES | National Enterprise Systems |
| NES | National Export System |
| NES | Northfield Elementary School |
| NES | Netscape Enterprise Server |
| NES | Not Elsewhere Specified |
| NES | National Eczema Society |
| NES | East 34th St Landing Airport |
| NES | Navy Enlisted System |
| NESCO | Near East Side Community Organization |
| Nestle | named after its founder, Henri Nestlé |
| net | Internet |
| net | NETwork |
| NET | New English Translation |
| NET | National Educational Television |
| NET | Nottingham Express Transit |
| NET | National Eligibility Test |
| NET | New England Telephone & Telegraph |
| NET | Neuro Emotional Technique |
| NET | Naturalistic Education Theory |
| NET | Non-Equilibrium Thermodynamics |
| NET | Neuroendocrine Tumour |
| NetBIOS | Network Basic Input/Output System |
| Netbook | Internet + Notebook |
| Nettop | Internet + Desktop |
| NEWS | as a plural for the adjective “new” or “new thing” |
| NeWS | Network extensible Window System |
| NEWS | Nature Environment & Wildlife Society |
| NFC | National Football Conference |
| NFC | Near Field Communication |
| NFC | Nuclear Fuel Complex |
| NFC | National Flight Centre |
| NFL | National Football League |
| NFL | National Fertilizers Limited |
| NFL | National Forensic League |
| NFL | National Football League |
| NFL | Northumberland Ferries Limited |
| NFL | Narrow Flood Light |
| NFPA | National Fire Protection Association |
| NFPA | National Fluid Power Association |
| NFPA | National Food Processors Association |
| NFS | Network File System |
| NFS | Need for Speed |
| NGFF | Next Generation Form Factor |
| Nginx | Engine-X |
| NGK | Nippon Gaishi Kaisha |
| NGK | Nandha Gopalan Kumara |
| NGK | Nederduitse Gereformeerde Kerk |
| NGK | National Geographic Kids |
| NGK | Nogliki Airport |
| NGMA | National Gallery of Modern Art |
| NGMA | National Greenhouse Manufacturers Association |
| NGMA | Bonriki International Airport |
| NGO | Non-Governmental Organization |
| NGO | Chūbu Centrair International Airport |
| NGRBA | National Ganga River Basin Authority |
| NGRM | Narrow Gauge Railway Museum |
| NH | New Hampshire |
| NH | National Highway |
| NH | Northern Hemisphere |
| NH | National Highway |
| NHAI | National Highways Authority of India |
| NHDP | National Highways Development Project |
| NHDP | New Hampshire Democratic Party |
| NHDP | National Hansen’s Disease Programs |
| NHL | National Hockey League |
| NHL | Non-Hodgkin’s Lymphoma |
| NHL | National Historic Landmark |
| NHL | New Holland |
| NHL | Noordelijke Hogeschool Leeuwarden |
| NHL | National Hurling League |
| NHPC | National Hydroelectric Power Corporation |
| NHRC | National Human Rights Commission |
| NHRC | Naval Health Research Center |
| NHS | National Health Service |
| NHS | N-HydroxySuccinimide |
| NHS | National Honor Society |
| NHS | National Highway System |
| NHS | National Historic Site |
| NHS | Niagara Health System |
| NHS | North High School |
| NHS | Nezavisni Hrvatski Sindikati |
| NHS | National Household Survey |
| NHS | Nance–Horan Syndrome |
| NHS | Nursing & Health Studies |
| NHS | Niwot High School |
| NHS | Noblesville High School |
| NHS | North High School |
| NHS | Norwood High School |
| NHS | New Hampton School |
| NHS | Newport Historical Society |
| NHS | Ninja High School |
| NHS | Niceville Senior High School |
| NHSC | National Health Service Corps |
| NHTSA | National Highway Traffic Safety Administration |
| NIA | Network Interface Adapter |
| NIA | National Investigation Agency |
| NIACL | New India Assurance Company Limited |
| NIAID | National Institute of Allergy and Infectious Diseases |
| NIAP | National Information Assurance Partnership |
| NIBM | National Institute of Business Management |
| NIBM | National Institute of Bank Management |
| NIC | Network Interface Card |
| NIC | National Informatics Center |
| NIC | National Industrial Classification |
| NIC | North Idaho College |
| NIC | National Institute of Corrections |
| NIC | Negative Impedance Converter |
| NIC | Nagoya International Center |
| NIC | North Island College |
| NIC | Nursing Interventions Classification |
| NIC | Natal Indian Congress |
| NiCd | Nickel–Cadmium |
| NICD | National Institute for Communicable Diseases |
| NICHD | National Institute of Child Health and Human Development |
| NICSI | National Informatics Centre Services Incorporated |
| NICU | Neonatal Intensive Care Unit |
| NICWA | National Indian Child Welfare Association |
| NID | Network Interface Device |
| NID | National Institute Of Designing |
| NID | Neuronal Intestinal Dysplasia |
| NIDDK | National Institute of Diabetes and Digestive and Kidney Diseases |
| NIELIT | National Institute of Electronics and Information Technology |
| NIFT | National Institute of Fashion Technology |
| NIFTY | National + Fifty |
| NIH | National Institutes of Health |
| NIH | National Institute of Hydrography |
| NIH | Not Invented Here |
| NIH | Natural Infant Hygiene |
| NIIT | National Institute of Information Technology |
| Nike | named for the Greek goddess of victory |
| Nikon | from Nippon Kogaku, meaning “Japanese Optical” |
| NIMH | National Institute of Mental Health |
| NiMH | Nickel Metal Hydride |
| NIMH | National Institute of Miners’ Health |
| NIMH | National Institute of Medical Herbalists |
| NIMH | National Institute of Mental Health |
| NIMHANS | National Institute of Mental Health and Neuro Sciences |
| Nintendo | from nintendou, nin (entrusted) + ten-dou (heaven) |
| NIOS | National Institute of Open Schooling |
| NIP | National Institute of Physics |
| NIP | Naval Intelligence Professionals |
| NiP | Ninjas in Pyjamas |
| NIP | National Immunization Program |
| NIP | Numer Identyfikacji Podatkowej |
| NIP | Naval Air Station Jacksonville |
| NIP | Nothing In Particular |
| NIP | Nizampur Railway Station |
| NIPM | National Institute of Personnel Management |
| NIPM | National Institute of Port Management |
| NIR | Near- infrared |
| NIR | National Internet Registry |
| NISA | Net Income Stabilization Account |
| NISA | National Industrial Sand Association |
| NISA | National Intelligence and Security Authority |
| NISA | National Intelligence and Security Agency |
| NISA | National Industrial Security Academy |
| NISA | National Ice Skating Association |
| NISA | Nuclear and Industrial Safety Agency |
| NISA | North Imphal Sporting Association |
| NISH | New Iberia Senior High School |
| NISH | National Institute of Speech & Hearing |
| NISH | National Industries for the Severely Handicapped |
| Nissan | from Nippon Sangyo which means “Japan Industries” |
| NISWASS | National Institute Of Social Work And Social Sciences |
| NIT | National Institutes of Technology |
| NITC | National Institute of Technology Calicut |
| NITDC | Northern Indiana Tourism Development Commission |
| NITI | National Institution for Transforming India |
| NITI | Net Integration Technologies Inc. |
| NITI | National Indian Telecommunications Institute |
| NITJ | National Institute of Technology Jalandhar |
| NITPU | National Information Technology Promotion Unit |
| NIXI | National Internet eXchange of India |
| NKBA | National Kitchen & Bath Association |
| NKC | North Kansas City |
| NKC | Nouakchott International Airport |
| NKC | National Knowledge Commission |
| NKC | National Kennel Club |
| NKVD | Наро́дный комиссариа́т вну́тренних дел |
| NLC | National League of Cities |
| NLC | Neyveli Lignite Corporation Limited |
| NLC | Nebraska Library Commission |
| NLC | Nigeria Labour Congress |
| NLC | Northeast Lakeview College |
| NLC | Naliya Cantt |
| NLC | Northwest Lineman College |
| NLC | Northern Land Council |
| NLC | National Library of China |
| NLC | Non Liability Certificate |
| NLC | New Life College |
| NLP | Neuro-Linguistic Programming |
| NLP | Natural Language Processing |
| NLP | Nonlinear Programming |
| NLP | Neuro-Linguistisches Programmieren |
| NLP | National Library of the Philippines |
| NLP | Nelspruit Airport |
| NLP | National Liberal Party |
| NLP | National Liberal Party |
| NLP | National Liberal Party |
| NLP | National Liberal Party |
| NLP | Natural Law Party |
| NLP | Nationalliberale Partei |
| NLP | National Labour Party |
| NLP | National Labour Party |
| NLP | National Labour Party |
| NLP | National Liberal Party |
| NLP | National Liberal Party |
| NLP | National Liberal Party |
| NLP | National Liberal Party |
| NLP | National Liberal Party |
| NLP | National Liberal Party |
| NLP | National Liberation Party |
| NLP | Natural Law Party |
| NLP | National Labor Party |
| NLP | National Labour Party |
| NLP | National Labour Party |
| NLP | National Liberal Party |
| NLSP | NetWare Link Services Protocol |
| NLSP | Neighborhood Legal Services Program |
| NMBS | National Maternity Benefit Scheme |
| NMBS | National Merchant Buying Society |
| NMCE | National Multi-Commodity Exchange |
| NMDC | National Mineral Development Corporation |
| NMDC | Nano and Micro Devices Center |
| NMIMS | Narsee Monjee Institute of Management Studies |
| NMR | Nuclear Magnetic Resonance |
| NMR | Nielsen Media Research |
| NMR | Nomura Holdings |
| NMS | Network Management System |
| NMS | National Market System |
| NMS | National Museums Scotland |
| NMS | Neuroleptic Malignant Syndrome |
| NMS | Neurally Mediated Syncope |
| NMS | Namsang Airport |
| NMT | Nordic Mobile Telephony |
| NMT | Neuromuscular Therapy |
| NNSS | Navy Navigation Satellite System |
| NNSS | Nevada National Security Site |
| NNTO | No Need To Open |
| NNTP | Network News Transfer Protoco |
| No | Number |
| NO | Norway |
| NO | Normally Open |
| No | Nobelium |
| no | Norwegian language |
| NO | Nitric Oxide |
| no | Norway (TLD) |
| NO | Neos |
| NOAA | National Oceanic and Atmospheric Administration |
| NOC | Network Operations Center |
| NOC | No Objection Certificate |
| NOC | National Oil Corporation |
| NOC | Non-Official Cover |
| NOC | National Olympic Committees |
| NOC | National Occupational Classification |
| NOIDA | New Okhla Industrial Development Area |
| Nokia | from the finnish city of Nokia |
| NORAD | North American Aerospace Defense Command |
| Norad | Norwegian Agency for Development Cooperation |
| NorCal | Northern California |
| NORKA | Non-Resident Keralites Affairs |
| Nos | Numbers |
| NOS | Not Otherwise Specified |
| NOS | National Ocean Service |
| NOS | Network Operating System |
| NOS | Nitrous Oxide Systems |
| NOS | Nederlandse Omroep Stichting |
| NOS | National Orthodox School |
| NOS | Fascene Airport |
| NOTA | None of the Above |
| NOTA | National Organ Transplant Act |
| NoTA | Network on Terminal Architecture |
| NOTA | Northeast Ohio Translator’s Association |
| Nov | November |
| NOV | Notice Of Violation |
| NOV | National Oilwell Varco |
| NOV | Non Obstante Veredicto |
| NOV | Albano Machado Airport |
| NOV | Nephroblastoma Overexpressed |
| NOV | Nederlandse Organisaties Vrijwilligerswerk |
| NOV | Notice of Vacancy |
| NOV | New Orleans VooDoo |
| NPA | Non-Performing Asset(s) |
| NPA | Nouveau Parti Anticapitaliste |
| NPA | Network Professional Association |
| NPA | National Production Authority |
| NPA | New People’s Army |
| NPA | Non-Partisan Association |
| NPA | Naval Air Station Pensacola |
| NPAPI | Netscape Plugin Application Programming Interface |
| NPC | Non-Player Character |
| NPC | National Planning Commission |
| NPC | National Physique Committee |
| NPC | Nevada Power Company |
| NPC | National Petroleum Council |
| NPC | Network Parameter Control |
| NPC | NasoPharyngeal Carcinoma |
| NPC | National Panhellenic Conference |
| NPC | National Pensioners Convention |
| NPC | National Power Corporation |
| NPC | Nauru Phosphate Corporation |
| NPC | Neighbourhood Police Centre |
| NPC | Nunavut Planning Commission |
| NPC | National Productivity Council |
| NPC | National Peace Council |
| NPC | National Postgraduate Committee |
| NPC | National Provincial Championship |
| NPC | Nationalist People’s Coalition |
| NPC | Neighborhood Parks Council |
| NPC | Niemann-Pick disease type C |
| NPC | Nuclear Pore Complex |
| NPCI | National Payments Corporation of India |
| NPCI | Nikon Photo Contest International |
| NPCI | Native Plant Conservation Initiative |
| NPCIC | Nestlé Professional Customer Innovation Campus |
| NPCIL | Nuclear Power Corporation of India |
| NPCL | National Partnership for Community Leadership |
| NPCL | Noida Power Company Limited |
| NPE | Hawke’s Bay Airport |
| NPE | Network Processing Engine |
| NPE | Nutrition Program for the Elderly |
| NPE | Null Pointer Exception |
| NPE | National Policy on Education |
| NPE | Navy Preliminary Evaluations |
| NPE | New Pantai Expressway |
| NPE | Nonylphenol Ethoxylates |
| NPHH | Non-Priority Household |
| NPL | National Physical Laboratory |
| NPL | National Priorities List |
| NPL | Non-Performing Loan |
| NPL | New Plymouth Airport |
| NPL | Northern Premier League |
| NPL | Netscape Public License |
| NPL | National Puzzlers’ League |
| NPL | Nabha Power Limited |
| NPOESS | National Polar-orbiting Operational Environmental Satellite System |
| NPR | Nepalese Rupee |
| NPR | National Public Radio |
| NPR | National Population Register |
| NPR | Nuclear Posture Review |
| NPR | Nippon Piston Ring |
| NPR | Noise Preferential Routes |
| NPR | Nail Polish Remover |
| NPS | National Park Service |
| NPS | Net Promoter Score |
| NPS | National Pension System |
| NPS | Naval Postgraduate School |
| NPS | Network Policy Server |
| NPS | National Pension Service |
| NPS | Nationale Partij Suriname |
| NPS | National Public School |
| NPS | Nouveau Parti Socialiste |
| NPS | Network Planning Solution |
| NPS | National Party of Scotland |
| NPS | Nuovo Partito Socialista |
| NPTEL | National Programme on Technology Enhanced Learning |
| NRC | National Register of Citizens |
| NRC | Nuclear Regulatory Commission |
| NRC | National Research Council |
| NRC | Norwegian Refugee Council |
| NRC | National Rugby Championship |
| NRC | Noise Reduction Coefficient |
| NRC | Nigerian Railway Corporation |
| NRC | National Research Centre |
| NRC | Northern Regional College |
| NRC | National Resource Center |
| NRC | National Railroad Construction and Maintenance Association |
| NRC | National Republican Convention |
| NRC | National Redemption Council |
| NRC | National Racing Calendar |
| NRC | Non-Recurring Charge |
| NRC | National Research Council |
| NRC | Normal Retinal Correspondence |
| NRC | Nottingham Rowing Club |
| NRC | No Remorse Corps |
| NRC | Nature Reviews Cancer |
| NRCAF | National Research Centre for Agroforestry |
| NRCFOSS | National Resource Centre for Free/Open Source Software |
| NRE | Non-Recurring Engineering |
| NRE | Non-Resident External |
| NRE | Negative Regulatory Element |
| NRE | New Relationship Energy |
| NRE | National Railway Equipment |
| NRE | National Register of Electors |
| NRE | Nippon Restaurant Enterprise |
| NREGA | National Rural Employment Guarantee Act |
| NRHM | National Rural Health Mission |
| NRI | Non-Resident Indian |
| NRI | Nomura Research Institute |
| NRI | Nanoelectronics Research Initiative |
| NRI | Networked Readiness Index |
| NRI | Network Resource Identifier |
| NRI | Nanosystem Research Institute |
| NRI | Shangri-la Airport |
| NRI | Nuvo Research, Inc |
| NRI | Norepinephrine Reuptake Inhibitor |
| NRK | Norsk Rikskringkasting |
| NRK | Non Resident Keralite |
| NRK | New River Kinematics |
| NRLM | National Rural Livelihood Mission |
| NRO | National Reconnaissance Office |
| NRO | Non-Resident Ordinary |
| NRO | National Review Online |
| NRO | Nobeyama Radio Observatory |
| NRO | Number Resource Organization |
| NRO | National Reconciliation Ordinance |
| NRO | National Repertory Orchestra |
| NRSA | National Research Service Awards |
| NRSA | National Remote Sensing Agency |
| NRSC | National Republican Senatorial Committee |
| NRSC | National Remote Sensing Centre |
| NRSC | North Royalton Soccer Club |
| NRV | Net Realizable Value |
| NRV | Non Return Valve |
| NRV | Nutrient Reference Values |
| NRV | New River Valley |
| NRV | Norddeutscher Regatta Verein |
| NSA | National Security Agency |
| NSA | No Strings Attached |
| NSA | National Speakers Association |
| NSA | New Saint Andrews |
| NSAID | Non-Steroidal Anti-Inflammatory Drug(s) |
| NSAP | Network Service Access Point |
| NSAP | National Social Assistance Programme |
| NSAP | National Skills Academy for Power |
| NSC | National Security Council |
| NSC | National Seeds Corporation |
| NSC | National Safety Council |
| NSC | Nevada State College |
| NSC | Norfolk Southern Corporation |
| NSC | National Skin Centre |
| NSC | Natick Soldier Center |
| NSC | National Science Council |
| NSC | Nihon Suido Consultants Co |
| NSCN | Nationalist Socialist Council of Nagaland |
| NSCN | Nordic Sustainable Campus Network |
| NSDL | National Science Digital Library |
| NSDL | National Securities Depository Limited |
| NSDL | Nova Scotia Drama League |
| NSE | National Stock Exchange |
| NSE | Nigerian Stock Exchange |
| NSE | Neuron Specific Enolase |
| NSE | North–South Expressway |
| NSE | Nairobi Stock Exchange |
| NSE | Nmap Scripting Engine |
| NSE | Nigerian Society of Engineers |
| NSE | Nagoya Stock Exchange |
| NSE | National Student Exchange |
| NSE | Navier–Stokes Equations |
| NSE | Neutron Spin Echo |
| NSE | New Schubert Edition |
| NSE | Network SouthEast |
| NSE | National Society for Epilepsy |
| NSF | National Science Foundation |
| NSF | Not Sufficient Funds |
| NSF | National Strike Force |
| NSF | Norges speiderforbund |
| NSF | North Sea Fleet |
| NSF | North South Foundation |
| NSF | Nephrogenic Systemic Fibrosis |
| NSF | National Sleep Foundation |
| NSF | Nationalsocialistisk front |
| NSF | National Sport Federation |
| NSF | Andrews NAF Airport |
| NSFNET | National Science Foundation Network |
| NSFW | Not Safe/Suitable For Work |
| NSG | Nuclear Suppliers Group |
| NSG | National Security Guard |
| NSG | New Socialist Group |
| NSG | Nippon Sheet Glass |
| NSIC | National Small Industries Corporation |
| NSIC | National Sports Information Centre |
| NSIC | National Strategy Information Center |
| NSNIS | Netaji Subhas National Institute of Sports |
| NSO | National Statistics Office |
| NSO | National Solar Observatory |
| NSO | National Symphony Orchestra |
| NSO | Scone Airport |
| NSO | National Science Olympiad |
| NSS | Network Security Services |
| NSS | National Sample Survey |
| NSS | National Service Scheme |
| NSS | National Space Society |
| NSS | Nair Service Society |
| NSS | National Speleological Society |
| NSS | National Search and Rescue Secretariat |
| NSS | Neutral Salt Spray |
| NSSO | National Sample Survey Office |
| NSSO | National Security Space Office |
| NSTEDB | National Science & Technology Entrepreneurship Development Board |
| NSUI | National Student’s Union Of India |
| NTC | Negative Temperature Coefficient |
| NTC | National Teachers College |
| NTC | National Training Center |
| NTC | New Theological College |
| NTFS | New Technology File System |
| NTFS | National Teaching Fellowship Scheme |
| NTP | Network Time Protocol |
| NTP | National Toxicology Program |
| NTPC | National Thermal Power Corporation |
| NTPC | Northwest Territories Power Corporation |
| NTRUHS | NTR University of Health Sciences |
| NTSB | National Transportation Safety Board |
| NTSB | National Training School For Boys |
| NTSC | National Television System Committee |
| NTSE | National Talent Search Examination |
| NTTS | National Tractor Trailer School |
| NTTS | National Truck and Trailer Services |
| Nuke | Nuclear |
| NULM | National Urban Livelihoods Mission |
| NUUP | National Unified USSD Platform |
| NVM | Non-volatile memory |
| NVMe | Non-Volatile Memory Express |
| NVR | Network Video Recorder |
| NVR | Novgorod Airport |
| NVR | Naval Vessel Register |
| NVR | Nene Valley Railway |
| NVRAM | Non-volatile Random Access Memory |
| NVV | Nederlands Verbond van Vakverenigingen |
| NVV | Napa Valley Vintners |
| NW3C | National White Collar Crime Center |
| NWCMC | Nanded Waghala City Municipal Corporation |
| NWFA | National Wood Flooring Association |
| NWFA | North West Film Archive |
| NWFA | National Women’s Football Association |
| NWFP | North-West Frontier Province |
| NWFP | NorthWest Forest Plan |
| NWFP | Non-Wood Forest Products |
| NWIAA | National Women In Agriculture Association |
| NWKRTC | North Western Karnataka Road Transport Corporation |
| NWR | National Wildlife Refuge |
| NWR | North Western Railway |
| NWR | NOAA Weather Radio |
| NWR | New World Resources |
| NY | New York |
| NYC | New York City |
| NYCLD | National Youth Computer Literacy Drive |
| NYIFF | New York Indian Film Festival |
| NYKS | नेहरू युवा केंद्र संगठन |
| NYMEX | New York Mercantile Exchange |
| NYPD | New York City Police Department |
| NYSE | New York Stock Exchange |
| NZX | New Zealand eXchange |
| NZXT | the name NZXT is a corruption of the word "NEXT" |
