| NAAT | National Advisory Acceptance Team 
| Others |
| NAAT | National Alliance Against Tolls
| Others |
| NAAT | National Analytical Aptitude Test
| Others |
| NAAT | National Association of Academic Technologists
| Others |
| NAAT | Netherlands Alumni Association Thailand
| Others |
| NAAT | New Americans Against Tobacco
| Others |
| NAAT | Nipwaayoni Acquisition and Assessment Team
| Others |
| NAAT | North American Aerobatic Team
| Others |
| NAAT | North American Aviation Trilateral
| Others |
| NAAT | Nuclear Acid Augmentation Test
| Others |
| NAAT | Nucleic Acid Amplification Techniques
| Others |
| NAAT | Nucleic Acid Amplification Technology
| Others |
| NAAT | Nucleic Acid Amplification Test
| Others |
| NAAT | Nucleic acid amplification testing
| Others |
| NAAT | Nucleic Acid Amplification Tests
| Others |
| NAAT | Nucleic Acids Amplification Testing
| Others |
| NAAT | Numerical Analysis and Approximation Theory
| Others |