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:

Map all coordinates using: OpenStreetMap  Download coordinates as: KML

List of historic places in other subregions

Bruce County


Elgin County

Grey County

Haldimand County

Huron County

Lambton County

Norfolk County

Oxford County

See also