Di or DI may refer to: Arts and media. Music. Di, a tone in the solfège ascending chromatic scale existing between Do and Re. dizi (instrument) or di, a Chinese transverse flute. D.I. (band), a punk band from Southern California. D.I. (EP), a 1983 EP by the same band above. Other media. The D.I., 1957 military film by Jack Webb. Dagens Industri, a Swedish financial newspaper. DI.FM, an internet radio service. Businesses and organisations. Defence Intelligence, a UK military intelligence agency. Defensa Interior, an anti-Franco militant anarchist group in 1960s Spain.
https://en.wikipedia.org/wiki/Di