| Abbreviation | Definition |
|---|---|
| NVW | New Version Wrestling |
| NWA | National Wrestling Alliance |
| NWA | National Wrestling Association |
| NWC | Nascar Wrestling Championship |
| NWCA | National Wrestling Coaches Association |
| NWE | Neighborhood Wrestling Entertainment |
| NWF | National Wrestling Federation |
| NWF | New Wrestling Federation |
| NWF | Nittany Wrestling Federation |
| NWF | Northern Wrestling Federation |
| NWL | National Wrestling League |
| NWO | National Wrestling O |
| NWO | National Wrestling Organization |
| NWWA | New Wave Wrestling Alliance |
| NWWL | Naked Women's Wrestling League |
| NWX | Northern Wrestling Xperience |
| NXW | New Xtreme Wrestling |
| NXW | Nonstop Xtreme Wrestling |
| OCW | OHIO CHAMPIONSHIP WRESTLING |
| OCW | Online Championship Wrestling |