{{Wiktionary|IFF|iff}} '''IFF''', '''Iff''' or '''iff''' may refer to: {{TOC right}}

==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 == {{canned search|iff|i-f-f|iff's|i-ff|if-f|iffs}} * {{lookfrom|IFF}} * {{lookfrom|Iff}} * {{intitle|iff}} * If (disambiguation) * IIF (disambiguation) * Iffs <!-- * 2IF (disambiguation) --> <!-- * I2F (disambiguation) --> * IF2

{{Disambiguation}}