| Acronym | Definition |
|---|
| KDF | Kraft Durch Freude (German: Strength Through Joy; Hitler's name for the original models of the Volkwagen Beetle in 1938) |
| KDF | Kentucky Derby Festival |
| KDF | Knowledge Discovery Framework |
| KDF | Key Derivation Function (cryptography) |
| KDF | Keep Drifting Fun (cars) |
| KDF | Kanagawa Design Forum (Kanagawa, Japan) |
| KDF | Kinetic Degradation Fluxion |
| KDF | Kinko's Document Format |
| KDF | Knocked Down Flat |
| KDF | Kentucky Division of Forestry |
| KDF | Klingon Defense Force (Star Trek) |
| KDF | Kyakulumbye Development Foundation (Uganda) |
| KDF | Kunst des Fechtens (Medieval School of German Fencing) |
| KDF | Knock Down Factor (material stress analysis) |
| KDF | Kit Definition File (Microsoft NT Embedded) |
| KDF | Kongelige Danske Fyrvæsen (Danish Lighthouse Authority/Lights and Buoys Service) |
| KDF | Kyrgyzstan Defense Force |