IFF, Iff or iff may refer to:

People and characters

People

  • Claude Iff (born 1946), Swiss footballer
  • Simone Iff (1924-2014), French political activist

Characters

  • Iff of the Unpronounceable Name, a character in The Riddle-Master trilogy by Patricia A. McKillip
  • Simon Iff, a character by Aleister Crowley

Arts, entertainment, media

  • International film festival, a type of film festival
  • Indonesian Film Festival, an annual film festival in Indonesia
  • Ischia Film Festival, an annual film festival held on the island of Ischia, Italy
  • Inferno, Flame, and Flint, a software by Autodesk Media and Entertainment
  • "IFF", an episode of The Expanse

Mathematics, science, engineering, technology

  • Identification friend or foe, an electronic radio-based identification system for the military
  • If and only if, a biconditional logical connective between statements, where either both statements are true or both are false
  • Iff card, a smart card used on bus services in Cardiff, Wales, United Kingdom
  • Interchange File Format, a computer file format

Organizations

Sports organizations

  • International Fencing Federation (Fédération Internationale d'Escrime or FIE), the international governing body for fencing
  • International Floorball Federation, the global governing body for the sport of floorball
  • Irish Fencing Federation, the governing body for fencing in Ireland

Other organizations

  • Iff Books, an imprint of John Hunt Publishing
  • Independent Fianna Fáil, a political party in Ireland
  • Institute For Figuring, an organization that promotes the public understanding of the poetic and aesthetic dimensions of science, mathematics and the technical arts
  • International Federation of Factory Workers, former trade union international
  • International Flavors & Fragrances, an American corporation which produces flavors and fragrances
  • International Freedom Foundation, a self-described anti-communist group established in Washington, D.C.
  • Fakultät für Interdisziplinäre Forschung und Fortbildung (Faculty for Interdisciplinary Research and Continuing Education), a faculty of the Austrian University of Klagenfurt

Other uses

  • Illicit financial flows, a concept in economics and finance related to resources that are of illegal origin, use or transfer
  • International Finance Facility, proposed by HM Treasury in conjunction with the Department for International Development of the United Kingdom
  • International freight forwarder, an individual or company that books or otherwise arranges space for shipments between countries via common carriers
  • Utaha language (ISO 639 language code <code>iff</code>), also known as Ifo, an extinct language from Erromango, Vanuatu
  • Institut de formation ferroviaire, a Moroccan vocational training institution specializing in professions related to rail transport

See also

  • If (disambiguation)
  • IIF (disambiguation)
  • Iffs

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  • IF2