- AAIB stands for Air Accidents Investigation Branch (United Kingdom)
- AAIB stands for Arab African International Bank
- AAIB stands for Aircraft Accident Investigation Bureau (Switzerland)
- AAIB stands for Anglo Arab Insurance Brokers (high risk insurance; various locations)
- AAIB stands for American Association of Instructors of the Blind (est. 1871)
- AAIB stands for Abbreviated Accident Investigation Board
- AAIB stands for American Association for the Improvement of Boxing (Mount Vernon, NY)
- AAIB stands for Aircraft Accident Investigation Board (Denmark)
AAIB