| NAS | Numerical Aerodynamic Simulation | - | Atmospheric Research Center |
| NAS | National Academy Of Science | - | Computer Acronyms(common) |
| NAS | Naval Air Station | - | Computer Acronyms(common) |
| NAS | Network-Attached Storage | - | Human Genome |
| NAS | Natl. Academy Of Sciences | - | Medical |
| NAS | National Academy Of Sciences | - | Organizations |
| NAS | National Aircraft Standard | - | Organizations |
| NAS | Naval Air Station | - | Organizations |
| NAS | National Academy Of Sciences - National Air Space - National Audubon Society - Naval Air Station - New Attack Submarine | - | Astronomy |
| NAS | National Academy Of Sciences | - | Business and Finance |
| NAS | National Airspace System | - | Business and Finance |
| NAS | Naval Air Station | - | Business and Finance |
