DFD
DFD stands for:
- Dark - firm - dry , deficient meat, see DFD meat
 - Data flow diagram , technical term from electronic data processing
 - Democratic Women's Association of Germany , GDR women's organization
 - Deutsche Flugdienst, predecessor company of Condor Flugdienst
 - German holiday flight service , former subsidiary of Condor Flugdienst
 - German photo service, see Deutscher Depeschendienst #Holding and sister company
 - German Remote Sensing Data Center , Institute of the German Aerospace Center
 - Digital surname dictionary of Germany , a project of the Academy of Sciences and Literature
 - Document Freedom Day , annual event to raise awareness of Open Standards
 - Dogs for Defense , organization in the United States
 - Average claim duration, average period between invoicing and cash inflow in days, see claim #requirements in accounting
 
Dfd stands for:
- East Siberian climate , climate classification according to Köppen, see Effective Climate Classification # D-Climates