English abbreviations from ddf to ddn
- DDF (Dangerous Drunk Family)
- DDFD (Decorrelating Decision Feedback Detector)
- DDG (Guided Missile Destroyer)
- DDGER (District Deputy Grand Exalted Ruler)
- DDI (Daydream Island Resort Airport)
- DDK (Device Driver Kit)
- DDL (Digital Data Link)
- DDM (Derrick drilling machine (a.k.a. top drive))
- DDMA (Defense Distribution Mapping Activity)
- DDMS (Defect Data Management System)
- DDN (U.S. Defense Data Network)