| S/NO | Abbr. | Meaning |
| 1 | BAFF | B-Cell-Activating Factor (biology) |
| 2 | BAFF | Bündnis Aktiver Fußballfans (organisation of German soccer fans against racism) |
| 3 | BAFF | British Armed Forces Federation |
| 4 | BAFF | Busto Arsizio Film Festival (Italy) |
| 5 | BAFF | Bureau des Affaires Francophones et Francophiles (Office of Francophone and Francophile Affairs) |
| 6 | BAFF | Boulder Asian Film Festival (Boulder, CO) |
| 7 | BAFF | Boulder Adventure Film Festival (Colorado) |
| 8 | BAFF | Best Awesome Friend Forever |