Roger Marion (August 5, 1846 – April 13, 1920[1]) was a Metis trader, civil servant and political figure in Manitoba.
He represented Carillon from 1886 to 1888 and from 1896 to 1899 and St. Boniface from 1888 to 1892 in the Legislative Assembly of Manitoba as a Conservative.
He was born in York Factory, the son of Narcisse Marion and Marie Bouchard, and was educated at the Collége de Saint-Boniface.
Marion worked at Charles Bottineau's trading post in Dakota Territory for several years.
Marion was elected president of the Union nationale métisse Saint-Joseph du Manitoba in 1891.