•
Jean-Guy Allard (1948–2016), Canadian journalist for
Le Journal de Montréal and
Le Journal de Québec •
Jean-Guy Cardinal (1925–1979), nationalist politician in Quebec, Canada •
Jean-Guy Carignan (born 1941), member of the Canadian House of Commons from 2000 to 2004 •
Jean-Guy Chrétien (born 1946), member of the Canadian House of Commons from 1993 to 2000 •
Jean-Guy Dagenais (born 1950), Canadian politician from Quebec •
Jean-Guy Deschamps, former politician in Montreal, Quebec, Canada •
Jean-Guy Dubé, Conservative Party of Canada candidate in the 2008 Canadian federal election •
Jean-Guy Dubois (born 1948), Liberal party member of the Canadian House of Commons •
Jean-Guy Guilbault (1931–2022), member of the House of Commons of Canada •
Jean-Guy Hudon (born 1941), Progressive Conservative member of the Canadian House of Commons •
Jean-Guy Laforest (born 1944), business owner and former political figure in New Brunswick, Canada •
Jean-Guy Péloquin, Abolitionist Party of Canada candidate in 1993 Canadian federal election •
Jean-Guy Sabourin, Parti créditiste candidate in 1973 Quebec provincial election •
Jean-Guy Trépanier, politician in the Quebec, Canada ==In sports==