John Hearn (4 January 1827 – 17 May 1894) was an Irish-born businessman and political figure in Quebec.

He was born in Waterford, the son of Thomas Hearn and Catherine Power, and was educated at Meagher’s Academy in Ireland.

[1] He first worked as a clerk for Quebec merchant Hugh Murray before entering business on his own as a ship chandler and grocer, later becoming a real estate agent.

Hearn resigned his seat in the provincial assembly in 1877 after he was named to the Legislative Council.

His son John Gabriel Hearn also served as a member of the Quebec assembly.