List of National Historic Sites of Canada in Niagara Region

This is a list of National Historic Sites of Canada (French: Lieux historiques nationaux du Canada) in Niagara Region, Ontario. There are 26 National Historic Sites designated in Niagara, of which nine are administered by Parks Canada (identified below by the beaver icon ).

National Historic Sites located elsewhere in Ontario are listed at List of National Historic Sites of Canada in Ontario.

This list uses the designation names as recognized by the Historic Sites and Monuments Board of Canada, not necessarily the official or colloquial names of the sites.