| Acronym | Definition |
|---|
| NSOA➣National School Orchestra Association |
| NSOA➣New Society of Anarchists (band; Milwaukee, WI) |
| NSOA➣New School of Athens (Athens, Greece) |
| NSOA➣National Summit on Africa |
| NSOA➣Nova Scotia Opera Association (Canada) |
| NSOA➣Nursing Services of America |