Cornwallis Square is a Canadian village in Kings County, Nova Scotia. It is located on the Cornwallis River. It was originally established in 1947 as the WCG Commission and was responsible for fire protection, recreation and sidewalks in Waterville, Cambridge, and Grafton. When the rural community of Woodville was included in the service area in the 1960s the name was changed to Cornwallis Square. The area's largest employer is Michelin.