Jean Chatillon (13 September 1937 – 16 January 2019)[1] was a Canadian composer and music educator.

[2] At first self-taught, then he undertook serious musical studies with the master Conrad Letendre in Montreal.

In 1969, he founded the Music Section of the University of Quebec at Trois-Rivières and taught there until 1981.

In 1970, he was a founding member of the "Institut de sciences musicales Conrad Letendre", along with Michel Perrault.

In January 2004, he became a founding member of the Delian Society, which is dedicated to the renaissance of tonal music.