Canosia Township is a township in Saint Louis County, Minnesota, United States. Canosia is a name derived from the Algonquian language meaning "pike fish". The population was 2,158 at the 2010 census. Midway Road (County Road 13) and Martin Road (County Road 9) are two of the main routes in the township. Other routes include Lavaque Road (County Road 48), Lavaque Bypass Road, and Old Miller Trunk Highway.