DFD is a three-letter acronym which has multiple meanings:
- Dark, Firm, Dry, meat having a pH above 6.
- The National Rail code for Dartford railway station, Kent, England.
- Data flow diagram, a graphical representation of the "flow" of data through an information system.
- Demokratischer Frauenbund Deutschlands DDR (Democratic Women's League of Germany in the GDR)
- Detroit Financial District
- Dancing Ferret Discs
- Deutscher Ferienflugdienst, a subsidiary of Condor Flugdienst
- Dietrich Fischer-Dieskau, German baritone.
- Document Freedom Day, a yearly event to promote Open Standards
- Dog Fashion Disco, an American metal band.
- Donald Fauntleroy Duck, the full name of Donald Duck.
- Dumbfoundead a battle rapper based out of Los Angeles.
- DFD, Dumbfoundead's album.
- Deb Free Day