Michel Mathieu, QC (December 20, 1838 – July 30, 1916) was a Quebec lawyer, notary, judge and political figure. He was a Conservative Member of Parliament who represented Richelieu from 1872 to 1874. He was born in Sorel, Lower Canada in 1838. He articled as a notary, becoming a member of the Sorel Board of Notaries in 1864. In 1865, he was called to the Bar of Quebec and he was appointed sheriff in the Richelieu district in 1866. In 1872, he was elected to the House of Commons; he was defeated in 1874. In 1875, he was elected to the Quebec National Assembly for Richelieu in 1875 and 1878. He also served as mayor of Sorel from 1876 to 1882. In 1881, he resigned his seat in the provincial legislature to serve as judge in the Quebec Superior Court, serving in Joliette and Montreal districts