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