| Acronym | Definition |
|---|
| DDF | Defect and Diffusion Forum (publication) |
| DDF | Digital Data Fast |
| DDF | Direct Data Flow |
| DDF | Disk Drive Format (computing) |
| DDF | Doigts de Fée (French embroidery company; est. 2003) |
| DDF | Digital Distribution Frame |
| DDF | Distributed Data Facility |
| DDF | Digital Data File |
| DDF | Danske Dagblades Forening |
| DDF | District Development Fund (UN) |
| DDF | Data Decryption Field |
| DDF | Diesel Dual Fuel (energy) |
| DDF | Doulas de France (French midwife association) |
| DDF | Drug and Disease Free |
| DDF | Den Danske Forskningsdatabase (Danish: Danish Research Database) |
| DDF | Director's Discretionary Fund |
| DDF | Dansk Dataforening (Danish Data Association) |
| DDF | Decentralised Data Fusion |
| DDF | Dodgers Dream Foundation (est. 1998; Los Angeles Dodgers; Los Angeles, CA) |
| DDF | Data Descriptive File |
| DDF | Dielectric Dissipation Factor |
| DDF | Data Distribution Facility |
| DDF | Dynamic Decode and Forward |
| DDF | Distance Distortion Factor |
| DDF | Drop Down Form |
| DDF | Data Disk Format (SNIA) |
| DDF | Doom Definition File (gaming) |
| DDF | Disease & Drug Free |
| DDF | Document Description Format |
| DDF | Direction de la Documentation Française (French: Directorate of French Literature) |
| DDF | Department of Defense Form |
| DDF | Display Definition File |
| DDF | Drama, Debate, and Forensic |
| DDF | Dynamic Data Fusion |
| DDF | Design Disclosure Format |
| DDF | Devastating Direct Fire |
| DDF | Doris Duke Foundation |
| DDF | Direct Development Fund |
| DDF | Direct DCNM(A) Funded |
| DDF | Deployed Debrief Facility |
| DDF | De-Correlating Decision Feedback |
| DDF | Due In/Due Out File |