| Acronym | Definition |
|---|
| QAC | Queen Anne's County (Maryland, USA) |
| QAC | Queen Alexandra College (UK) |
| QAC | Quaternary Ammonium Compound |
| QAC | Quality Assurance and Control (various applications) |
| QAC | Quality Assurance Control |
| QAC | Quality Assurance Committee |
| QAC | Quality Assurance Coordinator |
| QAC | Queensland Arts Council (Australia) |
| QAC | Quality Assessment Committee |
| QAC | Qatar Aeronautical College (est. 1975; Doha, Qatar) |
| QAC | Questionnaire Assistance Center (US Census Bureau) |
| QAC | Quality Assurance Certificate |
| QAC | Qualified Applicator Certificate (California Department of Pesticide Regulation) |
| QAC | Quinte Arts Council (Ontario, Canada) |
| QAC | Quality Aspects of Coordination (workshop) |
| QAC | Queen's Accessibility Committee (Queens University; Canada) |
| QAC | Quality and Accounting Capsule |
| QAC | Quinte Alliance Church (Ontario, Canada) |
| QAC | Quickie Aircraft Corp (defunct) |
| QAC | Quantity At Completion |
| QAC | Quick Attack Cancel (gaming tactic) |
| QAC | Quality Air Check |
| QAC | quaque ante cibum (Latin: before every meal) |
| QAC | Q Adaptor Computer |
| QAC | Question - Answer - Conclusion (used in FAQs) |
| QAC | Queer Advocacy Committee (CCADV) |