| Subject | English | Thesaurus |
| NGO, abbr. | AIDS Programs of the National Minority Aids Council | APNMAC |
| China | Commission for Science, Technology and Industry for National Defense | COSTIND (MichaelBurov) |
| ocean., abbr. | Declared National Program | DNP |
| USA | Department of Energy National Transportation Program | NTP |
| abbr. | Further Education National Training Organization | FENTO (Anglophile) |
| abbr., pipes., tradem. | Indonesian National Steel Tube Co. | Inastu (Индонезия) |
| relig., abbr. | Lutheran Social Services of the National Capital Area | LSS-NCA |
| abbr. | National Acid Precipitation Assessment Program | NAPAP |
| mil., abbr. | National ADP Program for Army Materiel Command Logistics Management | NAPALM |
| abbr., astronaut., mil. | National Advanced Remote Sensing Application Program | NARSAP |
| mil., abbr. | National Aerospace And Defense Contractors Accreditation Program | NADCAP |
| abbr. | National Air Traffic Control Services | NATCS |
| school.sl., abbr. | National Art Honor Society | NAHS |
| tradem., abbr. | National Assistance Services Australia | NASA |
| tradem., abbr. | National Association Credit Services | NACS |
| mil., abbr. | National Association For Uniformed Services | NAUS |
| univer., abbr. | National Association of College Auxiliary Services | NACAC |
| physiol., abbr. | National Association of Emergency Medicine Services Physicians | NAEMSP |
| ed., abbr. | National Association of State Directors of Pupil Transportation Services | NASDPTS |
| media., abbr. | National Association of Television Program Executives | NATPE |
| ocean., abbr. | National Atmospheric Deposition Program | NADP |
| transp., abbr. | National Aviation Safety Inspection Program | NASIP |
| meteorol., abbr. | National Aviation Weather Program Council | NAWPC |
| meteorol., abbr. | National Aviation Weather Program Plan | NAWPP |
| abbr. | National Booster Program | NBP |
| immunol., abbr. | National Center for Health Services Research and Development | NCHSRD |
| immunol., abbr. | National Center for Health Services Research and Development | NCHSR&D |
| abbr., med. | National Cholesterol Education Program Adult Treatment Panel | NCEP ATP (doktortranslator) |
| abbr., med. | National Cholesterol Education Programme | NCEP (ННатальЯ) |
| abbr., avia. | National Civil Aviation Security Program | NCASP (Christine_A) |
| ecol., abbr. | National Climate Program | NCP |
| ecol., abbr. | National Climate Program Office | NCPO |
| abbr., hockey. | National Coaching Certification Program | NCCP (Alexey Lebedev) |
| abbr. | National Conference on Financial Services | NCFS |
| USA | National Contaminant Biomonitoring Program | NCBP |
| abbr. | National Cooperative Highway Research Program | NCHRP (Georgy Moiseenko) |
| transp., abbr. | National Cooperative Transit Research and Development Program | NCTRP |
| USA | National Council of Higher Education Loan Programs | NCHELP |
| abbr., O&G, sakh. | National Counteraction Program | NCP |
| abbr., insur. | National Crop Insurance Services | NCIS |
| abbr., scottish | National Defence Programme Outline | NDPO (Japan) |
| abbr. | National Drug Prevention Program | NDPP |
| NGO, abbr. | National Education for Assistance Dog Services | NEADS |
| abbr., EBRD | National Environmental Action Programme | NEAP |
| tradem., abbr. | National Equipment Services | NES |
| NYSE., abbr. | National Equipment Services, Inc. | NSV |
| IT, abbr. | National Federation of Abstracting and Information Services | NFAIS (organization, USA) |
| abbr. | National Federation of Science Abstracting and Indexing Services | NFSAIS (AGaliguzov) |
| abbr., water.suppl. | National Flood Insurance Program | NFIP (FEMA) |
| abbr., insur. | National Flood Insurance Program | NFIP |
| abbr., scottish | National Foreign Intelligence Programme | NFIP |
| ecol., abbr. | National Forestry Action Programme | NFAP |
| abbr., cartogr. | National Geospatial Program Office | NGPO (Yuriy Sokha) |
| abbr., med. | National Health Service Breast Screening Programme | NHSBSP (harser) |
| abbr., scottish | National Helicopter Services | NHS (Trinidad) |
| abbr., oil | National High Altitude Photography Program | NHAP |
| abbr., health. | National High Blood Pressure Education Program | NHBPEP (Игорь_2006) |
| abbr., med. | National Immunization Program | NIP (Национальная программа иммунизации США Dimpassy) |
| abbr. | National Indicative Program | NIP (Juliafranchuk) |
| abbr., IT | National Industrial Security Program | NIST (Alex Lilo) |
| IT, abbr. | National Information on Software and Services | NISS (USA) |
| account., abbr. | National Information Services And Systems | NISS |
| abbr. | National Information Services & Systems | NISS (ABelonogov) |
| ocean., abbr. | National Institute of Environmental Health Services | NIEHS |
| sport., abbr. | National Junior Basketball | NJB |
| ed., abbr. | National Junior Honor Society | NJHS |
| school.sl., abbr. | National Junior Honors Society | NJHS |
| abbr., health. | National Kidney Disease Education Program | NKDEP (iwona) |
| abbr., astronaut. | National Long-Term Perspectives Studies Programme | NLTP |
| ocean., abbr. | National Marine Pollution Program Office | NMPPO |
| NGO, abbr. | National Marrow Donor Program | NMDP |
| ocean., abbr. | National Ocean Partnership Program | NOO |
| ecol., abbr. | National Oceanographic Program | NOP |
| abbr., O&G, sakh. | National Oilwell Co. | NOI |
| abbr., econ. | National Organic Program | NOP (LyuFi) |
| abbr., mining. | National Petroleum Radio Frequency Co-ordinating Association | NPRFCA |
| transp., abbr. | National Priority Program | NPP |
| NGO, abbr. | National Program Fund Initiative | NPFI |
| USA | National Program of Action | NPA |
| media., abbr. | National Program Production and Acquisition Grant | NPPAG |
| abbr., EU. | National Programme for the Adoption of the Acquis EU | NPAA (LuckyDucky) |
| USA | National Quality Program | NQP |
| mil., abbr. | National Reconnaissance Program | NRP |
| USA | National Regulatory Services | NRS |
| USA | National Relay Services | NRS |
| ocean., abbr. | National Remote Sensing Program | NRSP |
| abbr., water.suppl. | National Research Program Centers | NRP (WRD/USGS) |
| ed., abbr. | National School Breakfast Program | NSBP |
| ed., abbr. | National School Lunch Program | NSLP |
| abbr. | National Space Program | NSP |
| meteorol., abbr. | National Space Weather Program | NSWP |
| NGO, abbr. | National Spina Bifida Program | NSBP |
| abbr., scottish | National Strike Force Co-ordination Center | NSFCC (USA) |
| tradem., abbr. | National Technology Services, Inc. | NTS |
| tradem., abbr. | National Technology Services, Inc. | NTSI |
| abbr., toxicol. | National Testing Program | NTP (Игорь_2006) |
| immunol., abbr. | National Toxicology Program | NTP |
| ed., abbr. | National Transition Alliance | NTA |
| abbr. | National Transition Network | NTN |
| abbr. | National Transition Network | NTP |
| ocean., abbr. | National Tsunami Hazard Mitigation Program | NTHMP |
| abbr., metrol. | National Type Evaluation Program | NTEP (Национальная программа оценки средств измерений Himera) |
| ocean., abbr. | National Undersea Research Program | NURP |
| unions., abbr. | National Union Advantage Program | NUAP |
| abbr., vet.med. | National Veterinary Services Laboratories | NVSL (iwona) |
| mil., abbr. | National Voluntary Lab Accreditation Program | NVLAP |
| abbr., mil., WMD | National Voluntary Laboratory Accreditation Program | NVLAP |
| USA | Office of Polar Programs at the National Science Foundation | OPP |
| busin., abbr. | Sharp National Account Program | SNAP |
| abbr. | Sudan National AIDS Programme | SNAP (Дюнан) |
| stat., abbr. | United National Development Programme | UNDP |
| tradem., abbr. | Washington National Tax Services | WNTS |
| USA | Washington Program in National Issues | WPNI |
