Severin Ducharme (November 26, 1866 – December 30, 1952) was an Ontario real estate and insurance agent and political figure.
He represented Essex North in the Legislative Assembly of Ontario as a Liberal member from 1914 to 1919.
Canada East, the son of Pierre Ducharme, and came to Belle River, Rochester Township in Essex County, Ontario with his family in 1874.
He then went to Montana, where he worked as a book keeper at a lumber mill for four years before returning to Belle River.
Ducharme served as secretary and treasurer for the local separate school board.