DFF

DFF or D.F.F. may refer to:


 * D.F.F., a 2002 extended play, a by extreme metal and stoner rock band Blood Duster
 * Danish Council for Independent Research (Det Frie Forskningsråd), a Danish governmental body
 * Deutscher Fernsehfunk, the state television broadcaster in the German Democratic Republic
 * Digital Forensics Framework, computer forensics open-source software
 * Digital Freedom Foundation, a non-profit organisation that acts as the official organiser of Software, Hardware, and other Freedom Days
 * Directorate of Film Festivals, an Indian government organisation that organises the International Film Festival of India and other ceremonies
 * Disposable Film Festival, an annual juried international festival of short films
 * D flip-flop (or data flip-flop), an electronic primitive component useful for implementing computer memory