| Acronym | Definition |
|---|
| NBAA➣National Business Aviation Association, Inc. (also seen as National Business Aircraft Association) |
| NBAA➣National Bass Anglers Association (Hastings, MI) |
| NBAA➣National Board of Accountants and Auditors |
| NBAA➣New Berlin Athletic Association (New Berlin, WI) |
| NBAA➣Nichiren Buddhist Association of America |