NCS
NCS may refer to:
Biology and chemistry
- N-Chlorosuccinimide, an organic chemical
- Nerve conduction study, a medical diagnostic test
- Neural stem cell
- Neuronal calcium sensor, a family of proteins
- Thiocyanate, an organic compound in the cyanate family
Computers and technology
- Network Computing System, an implementation of the Network Computing Architecture at Apollo Computer
- Network-based Call Signaling, a protocol used with VoIP
- Networked control system
Organizations
- National Cartoonists Society, an organization of professional cartoonists in the United States
- National Center for Simulation, an association of defense companies, government, academic and industry members in the United States
- National Children's Study, a long-term study on children's health in the United States
- National Citizen Service, a non-military, voluntary national service in England
- National Clandestine Service, a main component of the U.S. Central Intelligence Agency
- National Crime Squad, a former British police organisation
- National Communications System, a former agency of the U.S. federal government
- National Compensation Survey, in the United States
- National Convenience Stores, a convenience store company in the United States
- Naval Canteen Service, the Royal Navy branch of the British NAAFI
- NCS Pte Ltd a global eGovernment consultant and solution provider based in Singapore
- North Carolina Symphony, based in Raleigh, North Carolina
- North Coast Section, an athletic organization in Northern California
- Nippon Computer Systems, a Japanese computer entertainment company
Schools and universities
- National Cathedral School in Washington, D.C.
- National Cryptologic School, within the U.S. National Security Agency
- Navy Children School, a chain of schools across India administrated by The Navy Education Society
- Neighborhood Charter School in Atlanta, Georgia
- Newark Charter School in Newark, Delaware
- Northland Christian School in Houston, Texas
- Northville Christian School in Northville Township, Michigan
- Novato Charter School in Novato, California
Standards
- National CAD Standard, for building design data in the United States
- NATO Codification System, a standard approach to identify, classify and number items of supply
- Natural Color System, a color system published by the Scandinavian Colour Institute
Transport
- Newark City Subway, a component of the Newark Light Rail system in Newark, New Jersey, United States
- North Central Service, a Metra commuter rail line running from Union Station in downtown Chicago through northwestern and far northern suburbs to Antioch, Illinois