AF (or variants) may refer to:

AF

Businesses, organizations and projects

• Anarchist Federation (British Isles), an Anarchist-Communist agitational organisation in Britain
• Air France, IATA airline designator for Air France
• Abercrombie & Fitch, an American based, international clothing retailer
• Alliance fran aise
• A-F Records, a record label
• Acronym Finder
• Alabama and Florida Railway, from its reporting mark
• American Freightways, a trucking company now operating as FedEx Freight East
• Adventist Forums, an organization of progressive Seventh-day Adventists
• AF Gruppen, a multi national construction and development company based in Norway
• F, a Swedish technical consulting company

Health, technology and science

• Atrial fibrillation, a form of cardiac arrhythmia
• Anaerobic filter, a type of anaerobic digester
• Anisotropic filtering
• Autofocus
• Audio frequency
• Alternative frequency
• Advanced Format, a new disk format and access using sector sizes larger than 512 bytes

Military

• AF Guardian, a warplane of the US Navy
• Air Force
• Armed Forces

Places

• American Fork, Utah
• Afghanistan, the 2-letter ISO, FIPS 10-4 and obsolete NATO country code for Afghanistan
• Midway Atoll JN-25

Railway Station

• Agra Fort Railway Station

Other fiction

• AF (Action Figures) or the Action Force, part of the European version of the G.I. Joe toy and comicbook universe
• Af, one of the Angels of Punishment, mythical character outlined in Gustav Davidson's 1994 book A Dictionary of Angels, Including the Fallen Angels.

Music

• Anti-Flag - American punk rock band
• Arcade Fire - Canadian indie rock band
• A.F. (band)

aF

• attofarad, an SI unit of electric capacitance

af

• acre-feet, the quantity of water that covers one acre to a depth of one foot; equal to 43,560 cubic feet or 325,851 gallons
• af, the ISO 639 code for the Afrikaans language

.af

• .af is the ccTLD (Country code top-level domain) for Afghanistan

See also

• A (disambiguation)
• F (disambiguation)

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