- ABAC stands for APEC (Asia Pacific Economic Conference) Business Advisory Council
- ABAC stands for APEC (Asian-Pacific Economic Cooperation) Business Advisory Council
- ABAC stands for Abraham Baldwin Agricultural College
- ABAC stands for Anti-Bribery and Corruption (various organizations)
- ABAC stands for Attribute Based Access Control
- ABAC stands for American Board of Accredited Certifications
- ABAC stands for Adaptive Binary Arithmetic Coding
- ABAC stands for Antiquarian Booksellers Association of Canada
- ABAC stands for Alcohol Beverages Advertising Code (Australia)
- ABAC stands for Assumption Business Administration College (Bangkok, Thailand)
- ABAC stands for Association of Balloon and Airship Constructors
- ABAC stands for Aviation Boatswain’s Mate Airship Rigger Chief Petty Officer (US Navy rank)
- ABAC stands for Applied Behavior Analysis Graduate Certificate (George Mason University; Fairfax, VA)
- ABAC stands for Associació de Buscadors Aurífers de Catalunya (Catalonian, Spain)
- ABAC stands for Antonio Balma Air Compressors
Abbreviations And Their Meaning