The Township of Norwich is a municipality located in Oxford County in Southwestern Ontario, Canada. At the centre of the Township of Norwich is the Town of Norwich. The preferred pronunciation of the town name is , which differs from the pronunciation used for the city of Norwich, England. The origin of Norwich, Ontario, is more likely Norwich in upper New York State, the area from which the pioneering families emigrated in the early 19th century, where the community was known as Norwichville.