| Acronym | Definition |
|---|
| NSAC | Nevada State Athletic Commission |
| NSAC | Nova Scotia Agricultural College |
| NSAC | Nuclear Science Advisory Committee |
| NSAC | National Student Advertising Competition |
| NSAC | National Spiritualist Association of Churches |
| NSAC | National Security Advice Centre (UK) |
| NSAC | National Society for Autistic Children |
| NSAC | Nuclear Safety Analysis Center |
| NSAC | National Scientific Advisory Committee |
| NSAC | National Sunflower Association of Canada |
| NSAC | Novi Sad Algebraic Conference (Serbia) |
| NSAC | Nova Scotia Arts Council (Canada) |
| NSAC | Network Service Assurance Center |
| NSAC | North Shore Anglers Club (Huntington, NY) |
| NSAC | National Senior Advisory Council (various locations) |