| Acronym | Definition |
|---|
| NPAC | Niswonger Performing Arts Center (Van Wert, OH) |
| NPAC | Northeast Parallel Architectures Center |
| NPAC | Number Portability Administration Center |
| NPAC | Northshore Performing Arts Center (Bothell, WA) |
| NPAC | News Photographers Association of Canada (Canada) |
| NPAC | Nonproliferation and Arms Control |
| NPAC | Newport Performing Arts Center (Oregon) |
| NPAC | Network of Politically Active Christians |
| NPAC | Native Physicians' Association for Canada |
| NPAC | National Parks and Access to the Countryside Act of 1949 |
| NPAC | Neighborhood Planning Action Committee (Seattle, WA) |