Robert Mercer Johnston

Robert M. Johnston
Member of the Ontario Parliament
for St. Catharines
In office
1967–1977
Preceded byNew riding
Succeeded byJim Bradley
52nd Mayor of St. Catharines
In office
1964–1967
Preceded byIvan Buchanan
Succeeded byMackenzie Chown
Personal details
Born(1916-09-15)September 15, 1916
Port Dalhousie, Ontario
DiedOctober 16, 1985(1985-10-16) (aged 69)
Hotel Dieu Hospital, St.Catharines, Ontario
Political partyProgressive Conservative
OccupationJohnston's Coal, Ice and Fuel

Robert Mercer Johnston (September 15, 1916 - October 16, 1985) was an Ontario political figure. He represented St. Catharines in the Legislative Assembly of Ontario from 1967 to 1977 as a Progressive Conservative member.