FI

FI or fi may refer to:

Places

Falkland Islands, a British Overseas Territory
Finland (ISO country code FI)
- Finnish language (ISO 639 alpha-2 code "fi")
- .fi, top-level domain of Finland
Province of Firenze, Italy

fi (album), a 2005 album by Bibio
Fi (TV series), a 2017 Turkish Internet TV series
Fi (The Legend of Zelda), a character in the 2011 video game The Legend of Zelda: Skyward Sword
Fi, the pitch equivalent to the fourth scale degree raised a half step, in the Solfège music education method
Films Incorporated, a defunct educational movie company abbreviated to FI

Feminist Initiative (Sweden), a political party
Finansinspektionen, the Financial Supervisory Authority in Sweden
Forza Italia, an Italian political party
Fourth International, an international communist organisation
Franciscans International, an NGO at the United Nations
Freudenthal Institute, a research institute that is part of Utrecht University
Front de l'Indépendance, a Belgian resistance organization in World War II
Icelandair (IATA code FI, from the old name of the company, Flugfélag Íslands)
La France Insoumise, a French political party
Financial Institution, establishment that focuses on the financial and/or monetary sector