ADF

ADF is a three-letter acronym that may refer to
*Automatic Document Feeder,in Printers
*Automatic Direction Finder
*Active Dynamic Filtering, a technology used for improving electrical power quality
*Airline Dispatchers Federation
*Asian Dub Foundation, a British band
*Actin-Depolymerizing Factor, a protein family
*Adaptively Sampled Distance Fields
*Advance Disposal Fee
*African Development Foundation
*A Dozen Furies, the band who won Battle for Ozzfest
*African dwarf frog
*Albert-Daly Field
*Alliance Defense Fund
*Allied Democratic Forces, a rebel group of Uganda
*Alternative display facility, a type of financial exchange
*America's Development Foundation
*Amiga Disk File, filetype containing images of AmigaOS standard floppy disks.
*Amsterdam Density Functional
*AnDan FOSSIL Anders Danielson FOSSIL driver
*Andorran franc, ISO 4217 Code for a 1:1 peg to the French franc
*Application Development Facility, a programming language
*Application Development Framework
*Ár nDraíocht Féin, a Neopagan druid organization
*Augmented Dickey-Fuller test, used in times series analysis
*Australian Debating Federation
*Australian Defence Force
*Auto-lead Data Format
*Automated Document Factory
*Automatic Direction Finder, see Radio Direction Finder
*Automatic Document Feeder, printer machines
*Azerbaijan Democratic Party
*Oracle Application Development Framework
*ADF Foods Limited, an Indian processed foods company