- AATB stands for American Association of Tissue Banks
- AATB stands for Anglo-Australian Telescope Board (Australia and UK)
- AATB stands for All About the Benjamins (TV show)
- AATB stands for Alto Alto Tenor Baritone (sax quartet)
- AATB stands for Army Arctic Test Board (Fort Greely, AK)
- AATB stands for Advanced Amphibious Training Base
Abbreviations And Their Meaning