ACF

ACF is a three-letter abbreviation that may refer to:

Places

• ACF River Basin, Apalachicola-Chattahoochee-Flint River Basin in the southeastern USA

Organizations

Conservation

• Australian Conservation Foundation, Australian non-profit organisation promoting ecological sustainability

Social welfare

• Action Against Hunger (Action Contre la Faim), international non-profit, non-governmental organisation that fights against hunger
• Administration for Children and Families, operating unit of the US Dept of Health & Human Services

Other

• Academic Competition Federation, decentralized body responsible for collegiate quizbowl events
• South African Army aka Active Citizen Force, temporary conscripts and volunteers in the South African Army
• Adivasi Cobra Force, extremist Santal organisation in Assam
• Adventist Christian Fellowship, the collegiate ministry of the Adventist church in North America
• American Car and Foundry Company, manufacturer of railroad rolling stock since 1899, now known as ACF Industries
• American Checker Federation, a non-profit organization governing the game of American checkers in the USA
• American Culinary Federation
• Arab Chess Federation
• Army Cadet Force, British youth organisation that offers progressive military training to boys and girls aged 12 to 18
• Automobile Club de France, prestigious men's club located on Place de la Concorde in Paris
• ACF Fiorentina, Associazione Calcio Fiorentina, an Italian football club
• Apostolic Church of Fellowship, a Christian Community Church in Worksop, South Yorkshire, united Kingdom

Science and computing

• Advanced Component Framework, C++ component framework providing a scalable architecture for very complex applications
• African clawed frog, species of South African aquatic frog of the genus Xenopus
• Algebraically closed fields, abbreviated ACF when considered together as a class of models
• Anisotropic Conductive Film, a conductive adhesive system used in the electronics industry
• Autocorrelation function, mathematical tool used frequently in signal processing
• Access Control Facility, the prototype of the ACF2 third party security software for IBM OS/VS
• Advanced Communication Function, a once optional component of VTAM, itself a component of IBM OS/VS

Medicine

• ACF (gene), human gene
• Antecubital fossa, part of the triangular area on the anterior view of the elbow joint of the human arm, commonly a site for cannulation
• Aberrant crypt foci, a preneoplastic lesion on the mucosa of colon or rectum