DFB

DFB may refer to:

• Dampfbahn Furka-Bergstrecke (Furka Cogwheel Steam Railway), a largely volunteer operated heritage railway across the Furka Pass, between Realp and Oberwald in Switzerland
• Decafluorobutane, a fluorocarbon gas
• Dem Franchize Boyz, was a Southern Rap group from Atlanta signed to E1 Music
• German Football Association (Deutscher Fußball-Bund), the governing body of football in Germany
• Distributed feedback laser, a diffraction laser system
• Dublin Fire Brigade, the local authority fire and rescue service for Dublin, Ireland
• Dysfunctional Family BBQ, an annual K-Rockathon event
• Humid continental climate (Dfb) under the Köppen climate classification system