| N&SC | Network and Sharing Center 
| Others |
| NSC | Nanaimo Skating Club
| Others |
| NSC | NASA Safety Center
| Others |
| NSC | Nascar Sprint Cup
| Others |
| NSC | Natasha Sabrina and Cloe
| Others |
| NSC | Natick Soldier Center
| Others |
| NSC | National Safety Commission
| Others |
| NSC | National Safety Council
| Others |
| NSC | National Savings Certificate
| Others |
| NSC | National Savings Certificates
| Others |
| NSC | National Science Council
| Others |
| NSC | National Screening Committee
| Others |
| NSC | National Securities Commission
| Others |
| NSC | National Security Caucus
| Others |
| NSC | National Security Community
| Others |
| NSC | National Security Council
| Others |
| NSC | National Seeds Corporation
| Others |
| NSC | National Semiconductor Corporation
| Others |
| NSC | National Senior Certificate
| Others |
| NSC | National Service Center
| Others |
| NSC | National Service Cooperative
| Others |
| NSC | National Service Corps
| Others |
| NSC | National Servicing Center
| Others |
| NSC | National Shipping Corporation
| Others |
| NSC | National Silver Company
| Others |
| NSC | National Simulations Center
| Others |
| NSC | National Ski Council
| Others |
| NSC | National Skin Center
| Others |
| NSC | National Skin Centre
| Others |
| NSC | National Socialist Club
| Others |
| NSC | National Space Council
| Others |
| NSC | National Spectrum Consortium
| Others |
| NSC | National SpeedSkating Circuit
| Others |
| NSC | National Sport Council
| Others |
| NSC | National Sports Center
| Others |
| NSC | National Sprint Car
| Others |
| NSC | National Staff College
| Others |
| NSC | National Standard(s) of Canada
| Others |
| NSC | National Standards Commission
| Others |
| NSC | National Statistical Commission
| Others |
| NSC | National Steel Car
| Others |
| NSC | National Student Clearinghouse
| Others |
| NSC | National Student Conclave
| Others |
| NSC | National Student Council (ICAEW)
| Others |
| NSC | National Supercomputer Centre
| Others |
| NSC | National Supplier
| Others |
| NSC | National Supplier Clearinghouse
| Others |
| NSC | National Support Center
| Others |
| NSC | Nationalities Service Center
| Others |
| NSC | NATO Shipping Centre
| Others |
| NSC | Natural Sciences Complex
| Others |
| NSC | Natural Security Coverage
| Others |
| NSC | Natural Stone
| Others |
| NSC | Natural Stone Council
| Others |
| NSC | Nau Sainik Camp
| Military, Marine Corps, Navy, Education, Training |
| NSC | Naval Staff College
| Others |
| NSC | Naval Supply Corps
| Others |
| NSC | Navy Ship Code
| Others |
| NSC | NCAR Strategic Capability
| Others |
| NSC | Nebraska Service Center
| Others |
| NSC | Neighbourhood Specialist Constable
| Others |
| NSC | Net Show Channel
| Others |
| NSC | Network for Social Change, Inc.
| Others |
| NSC | Network for Strong Communities
| Others |
| NSC | Network Service Center
| Others |
| NSC | Network Software Center
| Others |
| NSC | Network Storage Controller
| Others |
| NSC | Network Support Center
| Others |
| NSC | Network Systems Corporation
| Others |
| NSC | Neural Stem Cell
| Others |
| NSC | Neural Stem Cells
| Others |
| NSC | Nevada State College
| Others |
| NSC | New Sanctuary Coalition
| Others |
| NSC | New Scala Compiler
| Others |
| NSC | New Sedan Concept
| Others |
| NSC | New Small Concept
| Others |
| NSC | New Student Conference
| Others |
| NSC | New Student Conferences
| Others |
| NSC | Nicholson School Of Communications
| Others |
| NSC | Nigerians Shippers Council
| Others |
| NSC | Nihon Suido Consultants Co
| Others |
| NSC | Nil Significant Clouds
| Others |
| NSC | Nissan Sales Company
| Others |
| NSC | Nissan Sentra Club
| Others |
| NSC | Nissan Service Center
| Others |
| NSC | Nissan Sunny Club
| Others |
| NSC | No Save Corruption
| Others |
| NSC | No Scrubs Club
| Others |
| NSC | No Significant Change
| Others |
| NSC | No Student Contact
| Others |
| NSC | No Such Clan
| Others |
| NSC | No Suitable Candidate
| Others |
| NSC | Nodo Schermo Multifunzione
| Others |
| NSC | Nokia Service Center
| Others |
| NSC | Non School Bus
| Others |
| NSC | Non Secure Callable
| Others |
| NSC | Non Self Conjugate
| Others |
| NSC | Non Stop Clusters
| Others |
| NSC | Non Structural Carbohydrate
| Others |
| NSC | Non structural carbohydrates
| Others |
| NSC | Nonstop System Console
| Others |
| NSC | Norfolk Souther Corporation
| Others |
| NSC | Norfolk Southern Corp
| Others |
| NSC | Norfolk Southern Corporation
| Others |
| NSC | Norfolk Street Cruisers
| Others |
| NSC | Normal State Of Consciousness
| Others |
| NSC | North Sea Commission
| Others |
| NSC | North Seattle College
| Others |
| NSC | North Spokane Corridor
| Others |
| NSC | North State Communications
| Others |
| NSC | Northern Saddle Club
| Others |
| NSC | Norton System Center
| Others |
| NSC | Norton System Check
| Others |
| NSC | Nouveau Systeme De Cotation
| Others |
| NSC | Nouvelle Systeme de Cotation
| Others |
| NSC | Nox Storage Catalyst
| Others |
| NSC | Nox Storage Converter
| Others |
| NSC | Ntid Student Congress
| Others |
| NSC | Nuclear Sclerotic Cataract
| Others |
| NSC | Nuclear Star Clusters
| Others |
| NSC | Nuclear Supply Chain
| Others |
| NSC | Null Sector
| Others |
| NSC | Nutritional Scientific Corporation
| Others |
| NSC | Spring Cup
| Others |