NOC
- Eneos
- Ireland West Airport
- NOC (whale)
- NOK (disambiguation)
- Nantahala Outdoor Center
- National Occupational Classification
- National Oceanography Centre
- National Oceanography Centre, Southampton
- National Oil Corporation
- National Olympic Committee
- National oil company
- Network on chip
- Network operations center
- Night Owl Cinematics
- No Objection Certificate
- No overall control
- Nock (disambiguation)
- Non-official cover
- North Oil Company
- North Oil Company (Qatar)
- Northeast Ohio Conference
- Northern Oklahoma College
- Northrop Grumman
- Noć
- Nursing Outcomes Classification
- Proudman Oceanographic Laboratory
- WWE Night of Champions