NBAA
| 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 |