| Acronym | Definition |
|---|
| NASN➣National Association of School Nurses |
| NASN➣North American Sports Network (TV channel) |
| NASN➣National Association of Sports Nutrition (San Diego, CA) |
| NASN➣NOAA/CMDL Air Sampling Network |
| NASN➣Nucleus of the Accessory Spinal Nerve (neurology) |
| NASN➣North American Shopping Network (Victoria, British Columbia, Canada) |