| Acronym | Definition |
|---|
| AOAC | Association of Official Analytical Chemists (now AOAC International) |
| AOAC | Always on Always Connected |
| AOAC | Association of Analytical Communities |
| AOAC | Association of Official Agricultural Chemists (est. 1884) |
| AOAC | Association of Analytical Chemists |
| AOAC | Always On/Always Connected |
| AOAC | Avon Outdoor Activities Club (Bristol, UK) |
| AOAC | Academy of Orthodontic Assisting Certified (Trapezio) |
| AOAC | Association for the New Organ of the Auditoire de Calvin (Geneva, Switzeralnd) |
| AOAC | Aero-Optic Evaluation Center |