ADF

ADF may refer to:

Computing and related technology

• Amiga Disk File, a file format used by Amiga computers and emulators to store images of disks.
• Amsterdam Density Functional, a computer program for electronic structure calculations.
• Auto-lead Data Format, an XML-based standard for dealing in vehicles.
• Automatic document feeder, in printers and scanners.
• Oracle Application Development Framework

Music

• Asian Dub Foundation, a British band

Organizations

• African Development Foundation, an Independent United States Government Agency
• Alliance Defending Freedom, an American conservative Christian nonprofit organization
• Allied Democratic Forces, a Ugandan rebel group
• Arab Democracy Foundation, an Arab civil society organization based in Qatar
• Arab Deterrent Force, serving in Lebanon
• Ár nDraíocht Féin, a Neopagan druid organization
• Australian Debating Federation
• Australian Defence Force
• Australian Drug Foundation

Transport

• Aircraft deicing fluid
• Automatic direction finder, a marine or aircraft radio-navigation instrument
• FAA code for Dexter B. Florence Memorial Field, an airport in Arkadelphia, Arkansas
• IATA code for Adıyaman Airport, an airport in Adıyaman, Turkey

Other

• Aerospace Data Facilities of the U.S. National Reconnaissance Office
• African dwarf frog, an amphibian native to Africa
• Alternate day fasting, a diet that involves intermittent fasting on alternate days
• Alternative display facility, a type of financial exchange
• American Dance Festival, a modern-dance summer event in the United States
• Andorran franc, a 1:1 peg to the French franc
• Annular dark-field imaging is a method of mapping samples in a scanning transmission electron microscope (STEM)
• Augmented Dickey–Fuller test, used in time series analysis
• ISO 639-3 code for Dhofari Arabic, a variety of Arabic spoken in Oman