The 1867 Ontario general election was the first general election held in the newly created Province of Ontario, Canada. Previously, the territory was known as Canada West, a part of the Province of Canada. The election was held on September 3, 1867, to elect the 82 members of the 1st Legislative Assembly (MLAs). The dates of the election in 1867 varied from August 20 to September 26.

John Sandfield Macdonald, was the joint premier of the Province of Canada from 1862 to 1864. He was also the first premier of Ontario from 1867 to 1871, one of the four founding provinces created at Confederation in 1867. He served as both premier and attorney general of Ontario from July 16, 1867, to December 20, 1871.