| Acronym | Definition |
|---|
| ASDF | Air Self Defense Force |
| ASDF | Another System Definition Facility |
| ASDF | Alaska State Defense Force |
| ASDF | Americas Sustainable Development Foundation (Noord, Aruba) |
| ASDF | Alabama State Defense Force |
| ASDF | African Script Development Fund (Zimbabwe) |
| ASDF | Association of Synchronous Data Formats |
| ASDF | Average Square Difference Function |
| ASDF | Argentine Schools' Debating Federation |
| ASDF | Advanced Solution Development Framework |
| ASDF | Angry, Sullen, Depressed and Frustrated |
| ASDF | ASEAN Social Development Fund |
| ASDF | Average Summer Daily Flow |
| ASDF | Action Squad Detective Force |
| ASDF | Alternative Servicer Data File (financial loan servicing) |
| ASDF | Atom Solutions Demo Fasteners |
| ASDF | Alternating Synchronous Double Fire (fuel injection control, two firings per engine cycle) |