| Acronym | Definition |
|---|
| FIIB➣Fortune Institute of International Business |
| FIIB➣First Islamic Investment Bank (est. 1997) |
| FIIB➣Federal Investigation and Intelligence Bureau |
| FIIB➣Freie Initiative Improvisation Berlin (German: Free Improvisation Initiative Berlin; Berlin, Germany) |
| FIIB➣Funeral Industry Insurance Brokers (Australia) |