| Acronym | Definition |
|---|
| NCS | National Clandestine Service (US Central Intelligence Agency) |
| NCS | National Compensation Survey |
| NCS | Nerve Conduction Studies |
| NCS | National Communications System (US Department of Homeland Security) |
| NCS | Net Control Station (ITS) |
| NCS | Natural Color System |
| NCS | National Comorbidity Survey |
| NCS | National Cartoonists Society |
| NCS | Network Computing System (Apollo) |
| NCS | National Center for Simulation |
| NCS | National Children’s Study |
| NCS | North Carolina State University |
| NCS | Network Centric Systems (Raytheon division) |
| NCS | Norwegian Continental Shelf (oil and gas resources) |
| NCS | National Cathedral School (Washington, DC) |
| NCS | National Conservation Strategy |
| NCS | National CAD Standard |
| NCS | Network-based Call Signaling (Packet Cable) |
| NCS | N-Chlorosuccinimide |
| NCS | National Centre for Sustainability (Australia) |
| NCS | Noncrystallographic Symmetry |
| NCS | NATO Codification System |
| NCS | Neurocardiogenic Syncope |
| NCS | NICMOS Cooling System |
| NCS | National Call to Service |
| NCS | Nuclear Criticality Safety |
| NCS | National Cyber Security |
| NCS | Nigeria Computer Society |
| NCS | Network Call Signaling (Packet Cable) |
| NCS | National Cryptologic School |
| NCS | Naval Control of Shipping |
| NCS | Newborn Calf Serum |
| NCS | National Computer Services |
| NCS | Non Ci Siamo (Italian) |
| NCS | Non-Consensual Sex (rape) |
| NCS | National Cemetery System |
| NCS | Newark Charter School (Newark, Delaware) |
| NCS | Network Centric Solutions (US Navy) |
| NCS | Newark City Subway (Newark, NJ, USA) |
| NCS | Not Clinically Significant |
| NCS | NASCAR Nextel Cup (auto racing) |
| NCS | Network Communications System |
| NCS | NATO Command Structure |
| NCS | Naval Supply Center |
| NCS | Network Coordination Centre (INMARSAT) |
| NCS | Network Coordination Station (ITU-T) |
| NCS | Neurologic Clinical Specialist (physical therapy specialization/certification) |
| NCS | Newsroom Computer Systems |
| NCS | NATO Committee for Standardization |
| NCS | National Custodian Services |
| NCS | Norwegian Cancer Society |
| NCS | Neighborhood and Community Services |
| NCS | Network Centric Solutions (UK company) |
| NCS | National Cremation Society |
| NCS | National Center For Stuttering |
| NCS | National Commission on Space |
| NCS | Numismatic Conservation Services LLC (Sarasota, FL) |
| NCS | Networking & Computing Services |
| NCS | Non-Critical Sensitive |
| NCS | Non-Contact Sensor |
| NCS | Numerical Control Society |
| NCS | Notification of Compliance Status |
| NCS | NORAD Contingency Suite (command and control system) |
| NCS | Nutation Control System |
| NCS | Note Circulation Scheme (UK bank note distribution system) |
| NCS | Node Center Switch |
| NCS | Net Capital Spending (finance) |
| NCS | Node Control Software |
| NCS | Network Cabling Specialist |
| NCS | Non-Coding Sequence (genetics) |
| NCS | Nabors Corporate Services |
| NCS | National Criminal Squad (United Kingdom) |
| NCS | Network Clock Synchronization |
| NCS | Newman Catholic School |
| NCS | Network Communication Server |
| NCS | National Cremation Service |
| NCS | Nature Club Surat |
| NCS | North Coast Software |
| NCS | Neural Computing Systems, LLC (Irvine, California) |
| NCS | Node Control System (NEC) |
| NCS | Net-Centric Computing System |
| NCS | Nantucket Community Sailing, Inc (Nantucket, MA) |
| NCS | Norman Carr Safaris (Zambia) |
| NCS | Nonconvulsive Seizure |
| NCS | Next Control Station |
| NCS | Navy Command System |
| NCS | Near Infrared Camera and Multi-Object Spectrometer Cryocooler System (coolant system for a special space camera) |
| NCS | Nielsen Coverage Service |
| NCS | Net Control Ship |
| NCS | Nellis Cadet Squadron |
| NCS | Network Characterization System |
| NCS | Naval Communication Station/System |
| NCS | No Case Statement (in parser) |
| NCS | Not Connected Seconds |
| NCS | NATO Cross-Servicing Guide |
| NCS | Network Control Station/Ship/System |
| NCS | National Correspondence Support (Sprint) |
| NCS | National Communications Station |
| NCS | Northside Chamber Society |
| NCS | Never Caught Slippin' (online community) |
| NCS | North Ceylon Sarvodaya |
| NCS | New Cambridge Shakespeare (Cambridge University Press; UK) |
| NCS | North Carolina Symphony |
| NCS | Norfolk Collegiate School (Norfolk, VA) |
| NCS | Newcomb Central School (Newcomb, NY) |
| NCS | No Customer Service |
| NCS | National Circus School (Montreal, Canada) |