′Template:Sister project DBF may refer to:
- .dbf, a file format introduced by dBASE database system, since adopted by other applications as well (database file)
- dBf, decibels above a femtowatt, a unit used to measure power and gain
- Distributed Bellman-Ford, a Distance-vector routing protocol
- Danmarks Badminton Forbund (Denmark's Badminton Union)
- Diesel Boats Forever (Diesel Boats Forever)
- Design/Build/Fly aircraft design competition
- Oracle tablespace filename extension
- Digital beamforming in radar, sonar, audio, and other sensor arrays
- Direct breastfeeding
- Distributed-feedback laser – a type of a laser
- Drunk Bitch Friday – formerly a weekly bit on the Lex and Terry morning radio show