| Acronym | Definition |
|---|
| NPS | National Park Service |
| NPS | Net Promoter Score (customer management) |
| NPS | Naval Postgraduate School |
| NPS | National Prescribing Service Limited (Department of Health and Ageing; Australia) |
| NPS | Norfolk Public Schools (Virginia) |
| NPS | Network Policy Server (Microsoft) |
| NPS | Native Plant Society |
| NPS | Non-Point Source pollution |
| NPS | Newark Public Schools (New Jersey) |
| NPS | NIMA (National Imagery and Mapping Agency) Products Server |
| NPS | Nominal Pipe Size |
| NPS | National Pharmaceutical Stockpile |
| NPS | Nail-Patella Syndrome |
| NPS | New Product Showcase |
| NPS | Non-Prior Service (military personnel) |
| NPS | National Provider System |
| NPS | Non-Personal Services |
| NPS | Nuclear Power School |
| NPS | Noise Power Spectrum (measures image noise in digital and film-based images) |
| NPS | Nationale Partij Suriname (Suriname National Party) |
| NPS | Northern Power Systems |
| NPS | Nikon Professional Service (Nikon Corporation) |
| NPS | Notes Per Second (music) |
| NPS | National Program Service (PBS) |
| NPS | National Philatelic Society (Great Britain) |
| NPS | Nuclear Power Source |
| NPS | National Pharmaceuticals Strategy (Canada) |
| NPS | National Paintball Supply |
| NPS | National Park Seminary (private girls school) |
| NPS | National Pesticide Survey |
| NPS | New Pricing Scheme (India) |
| NPS | Numerical Pain Scale |
| NPS | Network Printer Series (Xerox printer family for Postscript and PCL data streams) |
| NPS | NATO Pipeline System |
| NPS | Network Planning System |
| NPS | Network Planning Solution (Cisco) |
| NPS | NATO Precautionary System |
| NPS | Northampton Public Schools (Massachusetts, USA) |
| NPS | NetPerSec (connection speed testing program) |
| NPS | Nederlandse Programmastichting |
| NPS | Northland Primary School (Singapore) |
| NPS | Neuropsychiatric Symptom (cognitive function) |
| NPS | National Photographic Society (UK) |
| NPS | Needham Public School (Needham, MA, USA) |
| NPS | National Piers Society (UK; est. 1979) |
| NPS | Naviplan Standard (financial planning software) |
| NPS | National Presortation Schematic (Canada Post Corporation) |
| NPS | National Pipe Straight Thread |
| NPS | Nuclear Planning System (US DoD) |
| NPS | National Permit Strategy |
| NPS | Nonprobability Sample |
| NPS | Neonatal/Pediatric Respiratory Care Specialist |
| NPS | Net Proceeds of Sale(s) |
| NPS | No Problem Sir |
| NPS | Novell Portal Service |
| NPS | Network Participation Status |
| NPS | Northampton Preparatory School (UK) |
| NPS | Newsletter for the Procurement Service (BiP Solutions) |
| NPS | Non-Priority-Based Scheduling |
| NPS | Network Product Server |
| NPS | Nuclear Power Ship |
| NPS | NMR (Nuclear Magnetic Resonance) Process Systems LLC (Danbury, CT) |
| NPS | Coalición Nuevo Partido Socialista |
| NPS | Network Protection Suite (Hostin Services; India) |
| NPS | Network Protection Service |
| NPS | National Patient Safety |
| NPS | New Product Success |
| NPS | National Public Seating |
| NPS | National Poetry Series (est. 1978) |