HMCS Ontario can refer to several ships:

• HMS Ontario (1780), a sixth-rate warship of the Provincial Marine (of then British North American Province of Quebec) and operated by the Royal Navy in Lake Ontario; sunk 1780
• HMCS Ontario (C53), a Minotaur-class cruiser transferred to the Royal Canadian Navy in 1944 and scrapped in 1960
• HMCS Ontario, a Royal Canadian Sea Cadet summer training centre in Kingston, Ontario established in 1977 as Cadets Camp Frontenac and now based at CFB Kingston/ Royal Military College of Canada
• HMCS Ontario was a planned nuclear-powered Canada-class submarine cancelled in 1989

References

• Government of Canada Ships' Histories - HMCS Ontario

See also

• Ontario (disambiguation)
• HMS Ontario
• USS Ontario

List of ships with the same or similar names

This article includes a list of ships with the same or similar names. If an internal link for a specific ship led you here, you may wish to change the link to point directly to the intended ship article, if one exists.