John Henry Fisher (April 3, 1855 – December 1, 1933) was an Ontario merchant and political figure.
He represented Brant North in the Legislative Assembly of Ontario from 1905 to 1911 and Brant in the House of Commons of Canada from 1911 to 1917 as a Conservative member.
He was born in Paris, Canada West, the son of Robert Fisher, who came to Upper Canada from Devonshire, England.
In 1883, Fisher married Jessie D. Martin.
Fisher was appointed Honorary Colonel of the 25th Brant Dragoons after the First World War.