BIRF
| Acronym | Definition |
|---|---|
| BIRF | Banco Internacional de Reconstrucción y Fomento (Spanish: International Bank for Reconstruction and Development) |
| BIRF | Brain Injury Resource Foundation |
| BIRF | Banco Interamericano de Reconstrucción y Fomento (Spanish: Inter-American Bank for Reconstruction and Development; Paraguay) |
| BIRF | Baha'is in Recovery Fellowship |