Calvin, Ontario
Calvin is a township in northeastern Ontario, Canada, on the Mattawa River in Nipissing District. The township took its name from Delino Dexter Calvin, an Ontario lumber merchant and MPP based in Frontenac County.
Calvin is home to a part of the Samuel de Champlain Provincial Park, and provides access to Algonquin Provincial Park via Highway 630.
In 2007, Calvin, along with the town of Mattawa and the townships of Papineau-Cameron, Mattawan and Bonfield cooperated to create a newly branded Mattawa Voyageur Country tourist region in order to promote the area.