DFD may refer to: Dancing Ferret Discs, a record label Dartford railway station, Kent, England (National Rail code) Data flow diagram Demokratischer Frauenbund Deutschlands DDR (Democratic Women's League of Germany in the GDR) Dallas Fire Department Denver Fire Department Detroit Financial District Detroit Fire Department Direct Fusion Drive, a conceptual nuclear-fusion rocket engine Document Freedom Day, promoting Open Standards Dog Fashion Disco, an American metal band Album by Dumbfoundead Dyfed, preserved county in Wales, Chapman code Köppen climate classification#Dfd/Dwd/Dsd: Subarctic or boreal climates with severe winters