| Acronym | Definition |
|---|
| IBBA | International Business Brokers Association (Chicago, Illinois) |
| IBBA | International Bachelor of Business Administration |
| IBBA | International Brangus Breeders Association (San Antonio, TX) |
| IBBA | Indonesian Best Brand Award |
| IBBA | Illinois Bed & Breakfast Association |
| IBBA | Indiana Bed and Breakfast Association |
| IBBA | International Black Belt Academy |
| IBBA | Internationale Berliner Basketball Akademie (Germany) |
| IBBA | International Butterfly Breeders Association Inc. |
| IBBA | Important Bird and Birding Areas |
| IBBA | Integrated Behavioural and Biological Assessment |
| IBBA | Inland Bird Banding Association |
| IBBA | Idaho Buckskin Breeders Association (Melba, ID) |
| IBBA | Israel Basketball Association |
| IBBA | Irving Boys Baseball Association (Irving, TX) |
| IBBA | Ilocano Backyard Breeders Association |
| IBBA | International Boatbuilders' Association |
| IBBA | Institute of Biology and Biotechnology in Agriculture |
| IBBA | International Blood Bowl Association |
| IBBA | Interstate Banking and Branching Act of 1995 (US) |
| IBBA | International Blind Bowlers Association |
| IBBA | International Business Behaviour Academy (Massachusetts) |