| Acronym | Definition |
|---|
| NOC | Network Operations Center |
| NOC | National Olympic Committee |
| NOC | National Occupational Classification (Immigration Canada) |
| NOC | National Oil Corporation (Libya) |
| NOC | Notice of Compliance |
| NOC | National Oceanography Centre (UK) |
| NOC | Nepal Oil Corporation (est. 1970) |
| NOC | Nursing Outcomes Classification |
| NOC | Not Otherwise Classified (airborne particulates) |
| NOC | Northern Oklahoma College |
| NOC | Nantahala Outdoor Center (Bryson City, North Carolina) |
| NOC | Non-Objection Certificate (visas) |
| NOC | National Oil Company |
| NOC | North Orange County (California) |
| NOC | Nuffield Orthopaedic Centre (Oxford, UK) |
| NOC | Number of Children |
| NOC | Number of Immediate Subclasses |
| NOC | Number of Classes |
| NOC | Network on Chip |
| NOC | Non-Official Cover |
| NOC | National Operations Center |
| NOC | Northeast Ohio Conference (sports league) |
| NOC | Nederlands Olympisch Comité (Netherlands Olympic Committee) |
| NOC | No Official Cover (gaming clan) |
| NOC | Notice of Commencement |
| NOC | No One Cares |
| NOC | Notice of Completion |
| NOC | Notice of Construction |
| NOC | Notice Of Change |
| NOC | Network-On-A-Chip |
| NOC | Norton Owners Club (motorcycle club; various locations) |
| NOC | Networks Optical Communications (conference) |
| NOC | Notice Of Cancellation |
| NOC | National Officials Committee (various organizations) |
| NOC | Northeast Ohio Council |
| NOC | No Other Classification (various organizations) |
| NOC | Norwegian Olympic Committee and Confederation of Sports |
| NOC | Neighbor of Choice (Merck Company Foundation grants program; New Jersey) |
| NOC | National Organising Committee |
| NOC | New Otani Club (hotels; Japan) |
| NOC | Northern Ohio Chapter (various organizations) |
| NOC | No Overall Control |
| NOC | Northern Oil Company |
| NOC | National Ocean Council |
| NOC | National Occupation Code (Immigration Canada) |
| NOC | National Outreach Convention |
| NOC | Net Operating Capital |
| NOC | Nintendo of Canada |
| NOC | Normally Open Contact |
| NOC | Non-Offending Caregiver |
| NOC | Naval Ordnance Center |
| NOC | Net Oil Computer |
| NOC | National Obsolescence Centre |
| NOC | National Operating Center |
| NOC | Notification of Construction |
| NOC | Not Otherwise Coded |
| NOC | Naval Operations Center |
| NOC | National Offshore Council |
| NOC | Network Operations and Control |
| NOC | Naval Oceanography Command |
| NOC | Normal Operation Conditions |
| NOC | Notice of Complaint |
| NOC | Not Our Class |
| NOC | Nonionic Organic Contaminants |
| NOC | Northrop Grumman, Inc (stock symbol) |
| NOC | Negotiation Operations Center |
| NOC | Natural Optimizer Compiler (Software AG USA) |
| NOC | Network Oversight Committee (Australia) |
| NOC | Non-Caching System |
| NOC | Number Of Organizational Components |
| NOC | Nuclear Operations Concept |
| NOC | Connaught, Ireland - Knock (Airport Code) |
| NOC | Network Operators Console (PBX) |
| NOC | Natick Operations Center (US Army) |
| NOC | Navy Officer Classification |
| NOC | Nose on a Chip (chemical sensor technology) |