| Acronym | Definition |
|---|
| ACAC | Academic Computing Advisory Council |
| ACAC | Acetylacetone |
| ACAC | Allen County Athletic Conference (Indiana) |
| ACAC | Acetoacetate |
| ACAC | Accord Commercial Anti-Contrefaçon (French: Anti-Counterfeiting Trade Agreement) |
| ACAC | Area Command Aviation Coordinator |
| ACAC | Association of College Admissions Counselors |
| ACAC | Alberta Colleges Athletics Conference (Canada) |
| ACAC | Arkansas Community Arts Cooperative |
| ACAC | American Council for Accredited Certification (Glendale, AZ) |
| ACAC | Air-Cooled Air Cooler (aviation) |
| ACAC | Association des Chasseurs À l'Arc du Cher (French hunting association) |
| ACAC | Access Customer Advocate Center |
| ACAC | Association Champenoise des Automobiles de Collection (French automobile club) |
| ACAC | Apparel Contractors Alliance of California |
| ACAC | Automobile Club André Citroën (French automobile club) |
| ACAC | Automated Direct Analog Computer |
| ACAC | Air Control Area Commander |
| ACAC | Army Combined Arms Center |
| ACAC | Arvada Child Advocacy Center |