Louis Sainte-Marie (April 30, 1835 – March 12, 1913) was a Quebec merchant and political figure.
He represented Napierville in the House of Commons of Canada from 1887 to 1890 as a Liberal member and Napierville in the Legislative Assembly of Quebec from 1890 to 1897 as a Liberal and then Conservative member.
He was born in St-Constant, Lower Canada, the son of Louis Sainte-Marie and Rose Dupuis.