This is a list of historic places in Southwestern Ontario, containing heritage sites listed on the Canadian Register of Historic Places (CRHP), all of which are designated as historic places either locally, provincially, territorially, nationally, or by more than one level of government.
The following subregions have separate listings:
- County of Brant
- Essex County
- Middlesex County
- Perth County
- Regional Municipality of Waterloo
- Wellington County
List of historic places in other subregions
Bruce County
Chatham-Kent
Elgin County
Grey County
Haldimand County
Huron County
Lambton County
Norfolk County
Oxford County
See also
- List of historic places in Ontario
- List of National Historic Sites of Canada in Ontario
References




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