Joseph-Édouard Perrault, KC (July 30, 1874 – June 13, 1948) was a lawyer and political figure in Quebec. He represented Arthabaska from 1916 to 1936 in the Legislative Assembly of Quebec as a Liberal member. Perrault was an unsuccessful candidate for a seat in the House of Commons in 1910 in Drummond—Arthabaska. He was elected to the Quebec assembly as the member for Arthabaska in 1916 and re-elected in 1919. In 1923, he was elected in both Arthabaska and Abitibi, resigning the Abitibi seat later that year to represent Arthabaska. He was subsequently re-elected in 1927, 1931 and 1935.