ASDF may refer to:
*
Advanced Scientific Data Format, a form of storing astronomical data
*
Air Self-Defense Force
The , , also informally referred to as the Japanese Air Force, is the air and space branch of the Japan Self-Defense Forces, responsible for the defense of Japanese airspace, other air and space operations, cyberwarfare and electronic warfare ...
, in Japan
*
Alabama State Defense Force, a military entity
*
Alaska State Defense Force, a military entity
*
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
{{disambiguation