Jean-Yves Bosseur (born in Paris, 5 February 1947) is a French composer and writer.
Bosseur studied composition with Henri Pousseur and Karlheinz Stockhausen at the Third, Fourth, and Fifth Cologne Courses for New Music, from 1965 to 1968, at the Hochschule für Musik Köln (Stockhausen 1970, 199–209), and received a doctorate in aesthetic philosophy from the University of Paris. He has composed more than 200 works and is most noteworthy for his stage works and chamber music.
He is research director at the Centre national de la recherche scientifique and Professor of Composition at the Conservatory of Bordeaux.
Stockhausen, Karlheinz. 1971. "Kölner Kursen für Neue Musik", in his Texte zur Musik 3, edited by Dieter Schnebel, 196–211. Cologne: Verlag M. DuMont Schauberg.