Dieter Kaufmann (born 22 April 1941) is an Austrian composer.
He studied music, German philology, art history, violoncello, composition (with Karl Schiske, Gottfried von Einem, Olivier Messiaen and René Leibowitz) and electro-acoustic music (with Pierre Schaeffer and François Bayle at the Groupe de Recherches Musicales of the French Radio) in Vienna and Paris.
He was head of the department for composition, conducting and sound engineering studies from 2000 to 2002.
In 1975, together with his wife, actress Gunda König, Dieter Kaufmann founded the K&K Experimentalstudio.
He had been awarded numerous national and international prizes, e.g. Förderungspreis der Stadt Wien (1967), Förderungspreis des Landes Kärnten (1974), Kompositionspreis des Musikprotokolls beim Steirischen Herbst (1975), Magisterium für elektroakustische Musik in Bourges, France (1988), Ernst-Krenek-Preis of the City of Vienna (1990), Prize of the City of Vienna for Music (1991), Würdigungspreis des Landes Kärnten (1992), Würdigungspreis des Bundes (1996).