Jean Chatillon (13 September 1937 – 16 January 2019) was a Canadian composer and music educator. He was born in Nicolet, Quebec, Canada.
Chatillon wrote more than 300 musical and literary works. He was an Associate Composer of the Canadian Music Centre. In 2003, he was appointed professor emeritus by the University of Quebec.
Chatillon died on 16 January 2019 from pneumonia in Nicolet, aged 81.