HMS Ontario can refer to several ships:
- HMS Ontario (1755), a Royal Navy schooner captured in 1756
- HMS Ontario (1780), a Royal Navy brig-sloop that sank in a storm in Lake Ontario during the American Revolutionary War and whose wreck was discovered in June 2008 between Niagara and Rochester.
- HMS Ontario (1813), a Royal Navy Cruizer-class brig-sloop ordered as HMS Mohawk and sold off in 1832.
See also
This article includes a
list of ships with the same or similar names. If an
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