View source for AF

{{wiktionary|AF|aF|A.F.|af-|.af|äf}}
'''AF''', '''af''', '''Af''', etc. may refer to:
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==Arts and entertainment==
*[[A-F Records]], Pittsburgh, Pennsylvania
*''[[Almost Family]]'', US TV series

==Businesses and organizations==
===European===
* [[ÅF]], a Swedish technical consulting company
* [[AF Gruppen]], a construction company, Norway
* [[Action Française]], a French political movement
* [[Air France]], IATA code and stock symbol
* [[Anarchist Federation (British Isles)]]

===International===
* [[Abercrombie & Fitch]], A&F, US clothing shops
* [[The Adaptation Fund]], for climate change adaptation, UN
* [[Adventist Forums]], of Seventh-day Adventists

===Elsewhere===
* [[American Freightways]], US trucking company, merged into FedEx Freight

==Language==
* [[Académie française]], for French language matters
* [[Alliance Française]], promoting French language and culture
* [[Acronym Finder]], an online database
* [[Afrikaans language]] (ISO 639-1 language code AF)
* "...as fuck", meaning "very", in [[SMS language]]

==Medicine==
* [[Amniotic fluid]]
* [[Atrial fibrillation]], an abnormal heart rhythm

==Military==
* [[AF Guardian]], a US Navy warplane
* [[Air force]]
* [[Armed forces]]
* A US Navy hull classification symbol: [[List of auxiliaries of the United States Navy#Provisions store ships (AF, T-AF)|Provisions store ship (AF)]]

==Names==
*''Af'', a Swedish [[nobiliary particle#Other countries|nobiliary particle]] used in surnames

==Places==
* [[Afghanistan]], by 2-letter ISO, FIPS 10-4, LOC MARC and obsolete NATO country code
** [[.af]], the top-level Internet domain for Afghanistan
* [[Agra Fort railway station]], Rawatpara,  India

==Science and technology==
===Acoustics and communications===
* Amplify-and-Forward, a scheme of [[Relay channel#General discrete-time memoryless relay channel|relay channel]]
* [[Alternative frequency]]
* [[Audio frequency]]

===Units of measure===
* [[Acre-feet]]
* [[Attofarad]]

===Visual arts===
* [[Autofocus]], of a camera
* [[Anisotropic filtering]]

===Other uses in science and technology===
* Af, the Köppen climate classification for a [[tropical rainforest climate]]
* Across flats (A/F), a [[Nut (hardware)#Metric hex nuts|measure of hexagonal nut flat size]]
* [[Advanced Format]], large hard disk sectors
* [[Anaerobic filter]], a type of anaerobic digester
* [[Arcuate fasciculus]], a nerve bundle in the brain

==Other uses==
* [[Alabama and Florida Railway]] (reporting mark AF)
* [[Anno Fascista]], a year in the Italian Fascist calendar 

{{disambiguation}}