AFI

AFI may refer to:

• Actual flip-angle imaging, a type of magnetic resonance imaging (MRI)
• Address-family identifier, a 16 bit field of the Routing Information Protocol
• AFI (band), an American rock band
  • AFI (2017 album), the tenth studio album by AFI
  • AFI (2004 album), a retrospective album by AFI released in 2004
• Afi, Iran, a village in East Azerbaijan Province, Iran
• Agencia Federal de Inteligencia, the Argentine national intelligence agency
• Agencia Federal de Investigación (Federal Investigations Agency), a Mexican agency
• Akrukay language, a Ramu language of Papua New Guinea
• Alliance for Financial Inclusion, an organization of central bank regulators from the developing world
• American Film Institute, an independent non-profit film organization
• American Football Ireland, the organizing body for American football in the Republic of Ireland and Northern Ireland
• American Football Israel, a nonprofit sports organization
• Amniotic fluid index, a measure of the amount of amniotic fluid of a fetus
• Aniridia Foundation International, a support organization for people with Aniridia and family members
• Application Family Identifier, an 8 bit field of an RFID tag
• Aquarium Fish International , a monthly magazine published in North America (1988–2012)
• Ashton Fletcher Irwin (born 1994), an Australian drummer
• Association des Femmes Ivoiriennes, women's organization in the Ivory Coast
• Australian Film Institute, an organisation that promotes Australian film and television
• Nikon AF-I, a type of Nikon F-mount lens

Aviation

• Air Force Instruction, documented instructions for members of the United States Air Force
• IATA airport code for Amalfi Airport in Antioquia Department, Colombia