Sainte-Marie and St. Mary were federal electoral districts in Quebec, Canada, that were represented in the House of Commons of Canada from 1896 to 1979.

It consisted of St. Mary's ward in the city of Montreal.

In 1914, it was expanded to include papineau ward.

After 1924, it was defined as being a part of the city of Montreal circumscribed by a number of streets.

This riding elected the following members of Parliament: Piché was appointed Police Magistrate, Montreal, 21 July 1906 On Deslauriers' death, 28 May 1941 On Fauteux's resignation, 18 August 1950 Riding history from the Library of Parliament: