Joseph Edgar (June 7, 1856[1] – September 10, 1922) was an Irish-born merchant and political figure in Ontario.
He represented Parry Sound in the Legislative Assembly of Ontario from 1914 to 1919 as a Conservative member.
He was born in Benraw, County Down, the son of Joseph Edgar and May McCracken, and came to Canada in 1872.
He moved to Sundridge, a small town north of Toronto on the rail line.
[1] Edgar owned a general store which he had bought from John Carter.