The acronym DFB may refer to:

  • Dysfunctional Family BBQ, an annual K-Rockathon event
  • Dem Franchize Boyz, an American hip-hop group
  • Dfb; humid continental climate under the Köppen climate classification system
  • Distributed feedback laser, a diffraction laser system
  • DFB Warehouse, an electronics distributor based in Nottingham, UK
  • Dublin Fire Brigade, the local authority fire and rescue service for Dublin, Ireland
  • Furka Heritage Railway (Dampfbahn Furka-Bergstrecke), a Swiss heritage railway
  • German Football Association (Deutscher Fußball-Bund), the governing body of football in Germany