FIF may refer to:
SportEdit
- Frederiksberg IF, a Danish sports club
- Italian Football Federation, (Italian: formerly {{#invoke:Lang|lang}})
- Ivorian Football Federation (French: {{#invoke:Lang|lang}})
Other usesEdit
- Falah-e-Insaniat Foundation, Pakistani charity
- Air Finland, a defunct airline
- Federation of Irish Fishermen
- Fetus in fetu, developmental abnormality
- FiF file format
- Fife, historic county in Scotland, Chapman code
- Five Iron Frenzy, an American Christian ska band
- Forced inspiratory flow
- Forward in Faith, a movement within the Anglican Communion
- Falkland Islands Foundation, now part of Falklands Conservation
- Fight In Flight, a 2018 American animated webseries