The Ontario general election, 1886 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 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.
| Party | Leader | 1883 | Elected | % change | |
|---|---|---|---|---|---|
| Liberal | Oliver Mowat | 48 | 57 | +18.8% | |
| Conservative | William Ralph Meredith | 37 | 32 | -13.5% | |
| Independent | 1 | 1 | - | ||
| Liberal - Independent | 2 | - | |||
| Total Seats | 88 | 90 | +2.3% | ||
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