{{Use dmy dates|date=January 2017}} {{Use British English|date=January 2017}} '''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 {{sclass|Cruizer|brig-sloop|2}} ordered as HMS ''Mohawk'' and sold off in 1832.
==See also== * Ontario (disambiguation) * {{HMCS|Ontario}} * {{USS|Ontario}}
{{Ship index}} {{Italic title prefixed|3}} {{DEFAULTSORT:Ontario, Hms}} Category:Royal Navy ship names