Jérémie-Louis Décarie (1870–1927), Canadian lawyer, politician, and judge in the province of Quebec
Gregory Allan Despres was convicted of the murders of Fred Fulton, 74, and Veronica "Verna" Decarie, 70, of Minto, New Brunswick, Canada, which occurred on April 23, 2005.
Richard Décarie is a Strategy Communication Consultant who was Deputy Chief of Staff of the Leader of the Official Opposition Conservative Party of Canada, the Right Honourable Stephen Harper, at the Canadian House of Commons.
A Le Devoir editorial criticized the university for not recognizing Pierre Trudeau's value; after Décarie complained to the rector of the university, Trudeau was hired.