Mercier-Ouest is a neighbourhood in Montreal, in the Mercier-Hochelaga-Maisonneuve borough.
Mercier-Ouest an inner-city neighborhood located in the east end of the Island of Montreal. It is one of three districts in the Mercier-Hochelaga-Maisonneuve borough. Mercier-Ouest, like every district in the borough, is mainly composed of working class Québécois with a notable presence of Italian immigrants North of Sherbrooke street (which is a natural extension of St.Leonard). It is bordered by the borough of Anjou to the north east, St.Leonard to the north, the Hochelaga-Maisonneuve district to the west, the St. Lawrence River to the South and the district Mercier-Est to the east. The district is limited by Autoroute 25 to the east and water-bound to the south. The area is largely industrial.