| NP(s) | nanoparticle(s) 
| Others |
| NPS | N Power Shift
| Others |
| NPS | Nano Political Sissies
| Others |
| NPs | nanoparticles
| Others |
| NPS | NASA Planning Studies
| Others |
| NPS | Nascar Pro Series
| Others |
| NPS | Nasopharynx Swab
| Others |
| NPS | Nathan Phillips Square
| Others |
| NPS | National Paintball Supply
| Others |
| NPS | National Park Service
| Others |
| NPS | National Park Service's
| Others |
| NPS | National Park System
| Others |
| NPS | National Parking Solutions
| Others |
| NPS | National Passenger Survey
| Others |
| NPS | National Payment Switch
| Others |
| NPS | National pension scheme
| Others |
| NPS | National Pension System
| Finance |
| NPS | National Pensions Scheme
| Others |
| NPS | National Pharmaceutical Services
| Others |
| NPS | National Pharmaceutical Stockpile
| Others |
| NPS | National Pipe Straight Thread
| Others |
| NPS | National Portrait Society
| Others |
| NPS | National Prescribing Service
| Others |
| NPS | National Procurement Service
| Others |
| NPS | National Producers Surplus
| Others |
| NPS | National Program Service
| Others |
| NPS | National Provider System
| Others |
| NPS | Nationwide Pool Supply
| Others |
| NPS | NATO Precautionary System
| Others |
| NPS | Natural Progressive Sound
| Others |
| NPS | Naval Postgraduate School
| Others |
| NPS | Neonatal Pediatric Specialty
| Others |
| NPS | Nero Product Setup
| Others |
| NPS | Net Positive Suction
| Others |
| NPS | Net Promoter Score
| Others |
| NPS | Net Promoter Scores
| Others |
| NPS | Net Promoter Scoring
| Others |
| NPS | Net Promoter System
| Others |
| NPS | Net Promotor Score
| Others |
| NPS | Netscape Proxy Server
| Others |
| NPS | Network Planning Solution
| Others |
| NPS | Network Play System
| Others |
| NPS | Network Policy Server
| Others |
| NPS | Network Power Switch
| Others |
| NPS | Network Print Server
| Others |
| NPS | Network Protein Sequence
| Others |
| NPS | Neurotransmitter Production Support
| Others |
| NPS | Neutral Pressure Switch
| Others |
| NPs | Neutrophils
| Others |
| NPS | New Paris Speedway
| Others |
| NPS | New Pension Scheme
| Others |
| NPS | New Product Showcase
| Others |
| NPS | New Psychoactive Substances
| Others |
| NPS | Newark Public Schools
| Others |
| NPS | Next Process Solutions
| Others |
| NPS | Nick Pass Scanner
| Others |
| NPS | Nikon Professional Services
| Others |
| NPS | Nitro Pro Stock
| Others |
| NPS | Nkk Press Service
| Others |
| NPS | No Parking Sign
| Others |
| NPS | No Problem Sweetie
| Others |
| NPS | No Problems
| Others |
| NPS | No Profit For Shipping
| Others |
| NPS | Nodo Porta Scorrevole
| Others |
| NPS | Nominal Pipe Size
| Others |
| NPS | Non Point Source
| Others |
| NPS | Non Prior Service
| Others |
| NPS | Non Priority Sector
| Others |
| NPS | Non Product Specific
| Others |
| NPS | Non Public School
| Others |
| NPS | Non-Point Source
| Others |
| NPS | Non-Production Spend
| Others |
| NPS | Non-Public Nonsectarian School
| Others |
| NPS | Non-Public School
| Others |
| NPS | Nonprior Service
| Others |
| NPS | Norfolk Public Schools
| Others |
| NPS | Norman Public School
| Others |
| NPS | Northbridge Public Schools
| Others |
| NPS | Notes Per Second
| Others |
| NPS | Novel Psychoactive Substances
| Others |
| NPS | Novell Portal Services
| Others |
| NPS | Novell Productivity Specialist
| Others |
| NPS | November Power Society
| Others |
| NPS | Nuclear Planning System
| Others |
| NPS | Nuclear Power Station
| Others |
| NPS | Nucleosome Positioning from Sequencing
| Others |
| NPS | Nutrition Programs Staff
| Others |
| NPS | Telnet Power Switch
| Others |