| Acronym | Definition |
|---|
| NAAS | National Academy of American Scholars (National Academy of American Scholars) |
| NAAS | Northwest Association of Accredited Schools |
| NAAS | Network as a Service (business model) |
| NAAS | Naval Auxiliary Air Station |
| NAAS | North American Alpaca Show |
| NAAS | National Agricultural Advisory Service (United Kingdom) |
| NAAS | National Association for Alternative Staffing |
| NAAS | Notification Alert Accountability System (US GSA) |
| NAAS | Novell Advanced Audit Service (Novell) |
| NAAS | National Association of Arms Shows, Inc. |
| NAAS | Nitrate Aqueous Actinide Separation |
| NAAS | Nerve Agent Antidote System |
| NAAS | National Association of Appointment Secretaries |
| NAAS | Network Authentication and Authorization Server |
| NAAS | Naval Area Audit Service |
| NAAS | North American Antenna Sites |
| NAAS | North American Automated Systems Company |