FIWI
| Acronym | Definition |
|---|---|
| FIWI | Firewire |
| FIWI | Zentrum für Fisch- und Wildtiermedizin (Schwiez) |
| FIWI | Finder Windows |
| FIWI | Centre for Fish and Wildlife Health (Bern, Switzerland) |
| FIWI | Florida Institute for Workforce Innovation |
| FIWI | fibre and wireless |
| FIWI | Film Industry Workshops, Inc. |
| FIWI | Forte India Welfare Institution |