| NWC | Napoleonic Wargame Club 
| Others |
| NWC | Napoleonic Wargaming Club
| Others |
| NWC | Nascar Winston Cup
| Others |
| NWC | Nascar Wrestling Championship
| Others |
| NWC | National Wage Committee
| Others |
| NWC | National War College
| Others |
| NWC | National Water Carrier
| Others |
| NWC | National Water Center
| Others |
| NWC | National Water Commission
| Others |
| NWC | National Water Corporation
| Others |
| NWC | National Water Council
| Others |
| NWC | National Watershed Coalition
| Others |
| NWC | National Waterways Conference
| Others |
| NWC | National Wealth Center
| Others |
| NWC | National Weather Center
| Others |
| NWC | National Wellness Conference
| Others |
| NWC | National Western Center
| Others |
| NWC | National Woodie Club
| Others |
| NWC | National Workers Compensation
| Others |
| NWC | National Wrecking Company
| Others |
| NWC | Native Windows Control
| Others |
| NWC | Naval War College
| Others |
| NWC | Navy Wheel Chock
| Others |
| NWC | Negative Weighted Centrality
| Others |
| NWC | Nessie Wood Concept
| Others |
| NWC | Net Working Capital
| Others |
| NWC | Netware Client Service
| Others |
| NWC | Netware Cluster
| Others |
| NWC | Network Controller
| Others |
| NWC | NeverWinter Connections
| Others |
| NWC | New Ware Club
| Others |
| NWC | New Work Cities
| Others |
| NWC | New Work City
| Others |
| NWC | New World Camelidae
| Others |
| NWC | New World Circle
| Others |
| NWC | New World Coming
| Others |
| NWC | New World Computing
| Others |
| NWC | News World Communications
| Others |
| NWC | Nintendo Wi-Fi Connection
| Others |
| NWC | Nintendo World Championships
| Others |
| NWC | Nissan Wheelers of Colorado
| Others |
| NWC | No Worries Club
| Others |
| NWC | North West Carrier
| Others |
| NWC | North West College
| Others |
| NWC | North West Corner
| Others |
| NWC | Northern Web Coders
| Others |
| NWC | Northern Wisconsin Center
| Others |
| NWC | Northwest Chapel
| Others |
| NWC | Northwest College, Powell Wyoming
| Others |
| NWC | NorthWest Composites
| Others |
| NWC | NorthWest Conference
| Others |
| NWC | NorthWestern College
| Others |
| NWC | NoteWorthy Composer
| Others |
| NWC | Nothing Without Christ
| Others |
| NWC | Nuclear Weapons Center
| Others |
| NWC | Nuclear Weapons Complex
| Others |
| NWC | Nuclear Weapons Convention
| Others |
| NWC | Nuclear Weapons Council
| Others |
| NWC | Nuclear Weaponsman Chief Petty Officer
| Others |
| NWC | Nyamirambo Women Center
| Others |
| NWC | The North Woods Call newspaper
| Others |