FIF may refer to:
Sport Frederiksberg IF, a Danish sports club Italian Football Federation, (Italian: formerly ) Ivorian Football Federation (French: )
Other uses 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