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

Arts, entertainment, and media

  • 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

Businesses and organizations

  • 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

Technology

  • <code>fi</code>, a scripting command in the Bourne shell and its derivatives
  • Fast Infoset, a standard for binary XML Infoset encoding
  • Fuel injection, a system for introducing fuel into internal combustion engines
  • High fidelity (disambiguation) (hi-fi)
  • Lo-fi (disambiguation)
  • Google Fi Wireless, a mobile virtual network operated by Google

Other uses

  • (fi), a typographical ligature
  • Fecal incontinence
  • Fi (letter), a Georgian letter
  • Fiona Hammond (born 1983), Australian water polo player nicknamed "Fi"

See also

  • "Fee-fi-fo-fum", the first line of an historical quatrain (or sometimes couplet) famous for its use in the classic English fairy tale "Jack and the Beanstalk"
  • FEI (disambiguation)
  • Fie (disambiguation)
  • Phi (Φ), a letter of the Greek alphabet