| Acronym | Definition |
|---|
| IABA | Inter-American Bar Association |
| IABA | Irish Amateur Boxing Association |
| IABA | Institute for Applied Behavior Analysis |
| IABA | Inter-American Board of Agriculture |
| IABA | International Amateur Boxing Association |
| IABA | Iranian-American Bar Association |
| IABA | International Association of Black Actuaries |
| IABA | Islamic Ahlul Bayt Association (Texas) |
| IABA | Indian American Bar Association |
| IABA | Indonesian American Business Association |
| IABA | Independent Auto Body Association (North Carolina) |
| IABA | Interior Alaska Building Association (Fairbanks, AK) |
| IABA | Insurance Agents and Brokers of America |
| IABA | Imposto Sobre o Alcóol Etílico e as Bebidas Alcoólicas (Portugal) |
| IABA | International Airline & Business Academy |
| IABA | Idaho Arabian Breeders Association |
| IABA | Internal Auditing Benchmarking Association |