- AABB stands for American Association of Blood Banks (now known simply as AABB)
- AABB stands for Axis-Aligned Bounding Box (computer graphics)
- AABB stands for Associação Atlética Banco do Brasil (Rio de Janeiro, Brazil)
- AABB stands for All About the Backstreet Boys
- AABB stands for Alcoholics Anonymous Big Book (alcohol addiction recovery essays)
- AABB stands for Arizona Association of Business Brokers, Inc.
Abbreviations And Their Meaning