Jacques Chagnon (born August 28, 1952) is a retired Canadian politician who served in the National Assembly of Quebec from 1985 to 2018.

Born in Montreal on August 28, 1952, Jacques Chagnon has spent his entire life in Boucherville.

He studied at Dawson College and then at Concordia University where he graduated with a bachelor's degree in political science and history.

[4] He was the Minister of Education in the government of Daniel Johnson from January 11, 1994, to September 26, 1994, when the QLP was defeated in the 1994 election.

When the QLP retook power in 2003, he was appointed to cabinet by Premier Jean Charest as Minister of Public Security from April 29, 2003, to February 18, 2005.

On October 31, 2017, he publicly took offense in a speech to Parliament that the Permanent Anti-Corruption Unit (UPAC) arrested MP Guy Ouellette without charges being laid six days later.

During his presidency, the National Assembly of Quebec concluded new bilateral relations agreements with Newfoundland, Massachusetts, Louisiana, Morocco, the province of Shandong (China) as well as the prefecture of Kyoto (Japan).