NPS may refer to:

Organizations National Park Service, Taiwan National Park Service, U.S. National Pension System, India National Pension Service, Korea National Phobics Society, UK charity National Piers Society, UK charity National Poetry Slam, competition National Police Service, UK National Probation Service, a statutory criminal justice service for England and Wales National Prosecution Service, Philippines Nederlandse Programma Stichting, a Dutch broadcasting foundation now part of Omroep NTR Nigerian Prisons Services NPS MedicineWise, known prior to 2009 as the National Prescribing Service, a medical information provider in Australia Nunavik Police Service in Quebec, Canada

Science, medicine and pharmaceutics Nail–patella syndrome, an autosomal dominant genetic disorder Neuropeptide S, a neuropeptide found in human and mammalian brain Novel psychoactive substance or new psychoactive substance (often used interchangeably) Nonpoint source pollution NPS Pharmaceuticals, acquired by Shire in 2015

Technology Network Policy Server, component of Microsoft Server 2008

Pipes and pipe threads National pipe straight, a non-taper pipe thread among the national pipe thread standards Nominal Pipe Size, a North American set of standard sizes for pipes

Politics National Party of Scotland, 1928–1934 National Party of Suriname New Socialist Party (San Marino) (Italian: ) People's Movement of Serbia (Serbian: ), a political party in Serbia

Education National Public School, Indiranagar, Bangalore, India Naval Postgraduate School, California, US

Literature New Penguin Shakespeare, a series of the works of Shakespeare published by Penguin Books

Business Net promoter score, in customer relations

Sports Neutral Paralympic Athletes at the 2024 Summer Paralympics