Gédéon Rochon (1877 – February 11,édé 1917) was a lawyer and political figure in Quebec. He represented Terrebonne in the House of Commons of Canada from 1915 to 1917 as a Conservative.
He was born in Saint-Jérôme, Quebec, the son of David Rochon and Célina Nantel, and was educated at the Séminaire de Sainte-Thérèse and the Université Laval. Rochon was called to the Quebec bar in 1902 and practised law at Saint-Jérôme. In 1909, he married Victorine Prévost. He was elected to the House of Commons in a 1915 by-election held after his uncle Wilfrid Bruno Nantel was named Railway Commissioner. Rochon died in office in Saint-Jérôme at the age of 40.
Another uncle Guillaume-Alphonse Nantel also served in the House of Commons.