DFT may refer to:

• Discrete Fourier transform
• Decision field theory
• Density functional theory
• Demand flow technology
• Department for Transport in the United Kingdom
• Design for testing (design for testability)
• Deaereating feed tank
• Digital Film Technology, maker of the Spirit DataCine
• DuPont Fabros Technology, US data center company, NYSE symbol

• Barbara Fris (soprano)
• Barbara Fritchie Handicap top three finishers
• Barbara Fritchie House and Museum
• Barbara Frum (TV series)
• Barbara fulgens
• Barbara Gaines
• Barbara Gaines (director)
• Barbara Gallagher
• Barbara Gallagher Hateley
• Barbara Gamage
• Barbara Garshman
• Barbara gas field
• Barbara (genus)
• Barbara Gillian Briggs
• Barbara Gilmour
• Barbara Gitenstein
• Barbara Giuranna
• Barbara Gluck
• Barbara Goalen
• Barbara Goenaga
• Barbara Goldsmith
• Barbara Goodwin
• Barbara gordon in other media
• Barbara Gorgon
• Barbara Gott