| National Percentile Ranking | Academic & Science |
| No Pride Remaining | Academic & Science |
| Nuclear Powered Radio | Academic & Science |
| New Product Request | Business |
| Nail Polish Remover | Business |
| Northern Property Real Estate Investment Trust | Business |
| Nippon Piston Ring | Business |
| Neutralization Potential Ratio | Chemistry |
| National Public Radio | Community |
| National Parents Radio | Community |
| National Palestine Radio | Community |
| Noise Power Ratio | Computer and Networking |
| Noiseless Portable Reflector | Computer Hardware |
| Non Photorealistic Renderer | Computing |
| Network Process Engineering | Computing |
| Non Public Release | Computing |
| Normal Priority Request | Computing |
| Nepalese Rupee | Country Currency |
| No Power Restriction | General |
| National Percentile Rank | General |
| National Pentagon Radio | General |
| National Prochoice Radio | General |
| Non pressure Release | General |
| Natural Pressure Release | General |
| Non Participation Rate | General |
| National Patient Register | General |
| Nipples Pierced Required | General |
| No Pledge Required | General |
| National Public Rhymeo | General |
| New Plums Ripen | General |
| No Place for Republicans | General |
| Never Praise Republicans | General |
| No Public Restroom | General |
| National Propaganda Radio | General |
| No Power Rangers | General |
| Never Praises Republicans | General |
| Nipple Piercing Related | General |
| National Proletariat Radio | General |
| New Phreakin River | General |
| Nazi Propaganda Radio | General |
| No Password Required | General |
| Nationalist Peoples Radio | General |
| National Pinko Radio | General |
| Never Pay Retail | General |
| No Pertinent Reporting | General |
| National Prolitariat Radio | General |
| Notoriously Pinko Ranting | General |
| Net Profit Ratio | General |
| National Personal Radio | General |
| Nevada Public Radio | General |
| Neoliberal Propaganda Radio | General |
| Northeast Public Radio | General |
| Nashville Public Radio | General |
| New Plymouth Rodders | General |
| Northern Peripheral Road | General |
| Number Plate Recognition | General |
| Number Plate Reading | General |
| Nonsense Pollux and Rubbish | General |
| Noiseless Portable Reflex | General |
| No Pie Refused | General |
| National Palestinian Radio | General |
| Not Pro Republican | Governmental |
| National Petroleum Radio | Governmental |
| NASA Procedural Requirements | Governmental |
| Nice Polite Republicans | Governmental |
| Not Promoting Republicans | Governmental |
| National Press Release | Governmental |
| Non Photorealistically Rendered | Governmental |
| No Particular Reason | Governmental |
| New Port Richey | Governmental |
| National Partnership For Reinventing | Governmental |
| National Prosperous Radio | Governmental |
| National Peoples Radio | Governmental |
| Nation Progress Report | Governmental |
| Noise Preferential Route | Governmental |
| Nothing To Provoke Rebellion | Governmental |
| NEPALGANJ ROAD | Indian Railway Station |
| National Pain Report | Internet |
| Natriuretic Peptide Receptor | Medical |
| Norwegian Patient Registry | Medical |
| Not Pretentious Really | Messaging |
| Nuclear Posture Review | Military and Defence |
| No Problem Reporting | Military and Defence |
| National Performance Review | Military and Defence |
| Naval Projections Report | Military and Defence |
| National Population Register | Ministry of Communications and Information Technology |
| Northern Plains Railroad | Regional |
| Northern Plains Railroad Incorporated | Regional |
| Non Photorealistic Rendering | Softwares |
| Never Played Rugby | Sports |
| Number of Parts Requested | Stock Exchange |
| Noise Preferential Routes | Transport & Travel |