The 1886 Ontario general election was the sixth general election held in the Province of Ontario, Canada. It was held on December 28, 1886, to elect the 90 Members of the 6th Legislative Assembly of Ontario ("MLAs"). The election results were characterized a "crushing defeat for the Conservatives.
The Ontario Liberal Party, led by Oliver Mowat, won a fifth consecutive term in government and an increased majority in the Legislature.
The Ontario Conservative Party, led by William Ralph Meredith lost five of its seats.
In Toronto, this and the next election (1890) were held under the Limited Vote system wherein Toronto voters had two votes for the three MPPs in their district. This allowed a degree of minority representation.
Redistribution of ridings.
The Assembly was increased from 88 to 90 members, through the following changes:
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Results.
Synopsis of results.
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 ;templatestyles src="Legend/styles.css" / ;  = open seat
 ;templatestyles src="Legend/styles.css" / ;  = turnout is above provincial average
 ;templatestyles src="Legend/styles.css" / ;  = winning candidate was in previous Legislature
 ;templatestyles src="Legend/styles.css" / ;  = incumbent had switched allegiance
 ;templatestyles src="Legend/styles.css" / ;  = previously incumbent in another riding
 ;templatestyles src="Legend/styles.css" / ;  = not incumbent; was previously elected to the Legislature
 ;templatestyles src="Legend/styles.css" / ;  = incumbency arose from byelection gain
 ;templatestyles src="Legend/styles.css" / ;  = incumbency arose from prior election result being overturned by the court
 ;templatestyles src="Legend/styles.css" / ;  = other incumbents renominated
 ;templatestyles src="Legend/styles.css" / ;  = previously an MP in the House of Commons of Canada
 ;templatestyles src="Legend/styles.css" / ;  = multiple candidates
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Analysis.
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MLAs elected by region and riding.
Party designations are as follows:
 ;templatestyles src="Legend/styles.css" / ;  Liberal
 ;templatestyles src="Legend/styles.css" / ;  Conservative
 ;templatestyles src="Legend/styles.css" / ;  Independent
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Notes and references.
References.
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