Major-General Guy Claude Tousignant, OMM, MSC, CD (born 1941) is a retired senior officer of the Canadian Army. Born in Sherbrooke, Quebec, Tousignant received a Bachelor of Arts degree from the Université de Sherbrooke in 1962. He was commissioned with the Canadian Officers' Training Corps in 1962. He was promoted to major in 1973, lieutenant-colonel in 1979, colonel in 1983, and brigadier-general in 1990. He was made an Officer of the Order of Military Merit in 1983. In 1990, he was appointed base commander of CFB Borden. After being promoted to major-general in 1993, he was appointed the Commandant of the National Defence College.