Joseph-Hormisdas Rainville (March 8, 1875 – April 14, 1942) was a lawyer and political figure in Quebec. He represented Chambly—Verchères in the House of Commons of Canada from 1911 to 1917 as a Conservative. Rainville sat for Repentigny division in the Senate of Canada from 1923 to 1942. He was named a Chevalier in the French Légion d'honneur in 1934. His uncle Henri-Benjamin Rainville served in the Quebec assembly.