| Acronym | Meaning |
| NASC | National Aeronautics and Space Council (now National Aeronautics and Space Administration) |
| NASC | National Aerospace Standards Committee |
| NASC | National Anti-Stigma Campaign |
| NASC | National Assembly Standing Committee (various locations) |
| NASC | National Association of State Comptrollers |
| NASC | Naval Air Systems Command |
| NASC | Naval Aviation Schools Command |
| NASC | Naval Science (course) |