Thunder Bay–Superior North is a provincial electoral district in northwestern Ontario, represented in the Legislative Assembly of Ontario since 1999.

The riding covers the eastern portion of the Thunder Bay District, including the northern part of the city of Thunder Bay and surrounding communities along the Lake Superior shoreline and inland areas.

The district is known for its diverse geography, stretching from urban centres to remote communities, and for its strong ties to industries such as forestry, shipping, education, and tourism. Thunder Bay–Superior North plays an important role in connecting Northern Ontario’s people, culture, and economy to the rest of the province.