Saint-Louis () was a provincial electoral district in the Montreal region of Quebec, Canada.
It corresponded to the western half of Ville-Marie (downtown Montreal).
It was created for the 1966 election from parts of Montréal–Saint-Louis, Montréal-Outremont and Montréal-Mercier electoral districts. Its final election was in 1989. It disappeared in the 1994 election and its successor electoral district was Westmount–Saint-Louis.
Members of the Legislative Assembly / National Assembly
References Election results (National Assembly) Election results (QuebecPolitique.com)