WFI may mean:
- Wikimedia Foundation Inc., the parent organization of Wikipedia
- WFI Acquisition Inc, which bought a chain of convenience stores from Tops Markets LLC
- Wallis and Futuna has UNDP country code WFI
- Westerfield railway station has National Rail code WFI
- Fianarantsoa Airport has IATA code WFI
- WFIL radio originally had call sign WFI
- WFI – Ingolstadt School of Management, a leading German business school
- WFI – Water for Injection
- Women for Independence
- Wrestling Federation of India