Maurice Vachon (September 14, 1929 – November 21, 2013) was a Canadian professional wrestler. He is best known under his ring name, "Mad Dog" Vachon
He was known for competing in American Wrestling Association (AWA) where he played one of the all-time great heels. He spent four decades wrestling and retired in 1986. He is a member of the Vachon wrestling family with his brother Paul and sister Vivian Vachon, and the uncle of wrestler Luna Vachon. He died on November 21, 2013.
He was inducted into the WWE Hall of Fame by Pat Patterson in 2010.