ASDF

ASDF may refer to:

Military

• Air Self-Defense Force, in Japan
• Alabama State Defense Force, a military entity
• Alaska State Defense Force, a military entity

Technology

• Advanced Scientific Data Format, a form of storing astronomical data
• Another System Definition Facility, a build system for Common Lisp
• ASDF, the sequence of letters from the left end of the home row on some keyboard layouts

Other meanings

• asdfmovie, an animated sketch comedy series; see TomSka § Asdfmovie