St. Clair Township may refer to:
Places in Canada
St. Clair Township, Ontario
Places in the United States
St. Clair Township, St. Clair County, Illinois St. Clair Township, Benton County, Iowa St. Clair Township, Monona County, Iowa St. Clair Township, St. Clair County, Michigan St. Clair Township, Butler County, Ohio St. Clair Township, Columbiana County, Ohio St. Clair Township, Allegheny County, Pennsylvania, a former township St. Clair Township, Pennsylvania and also: East St. Clair Township, Bedford County, Pennsylvania Upper St. Clair Township, Pennsylvania West St. Clair Township, Pennsylvania
See also
Sinclair Township (disambiguation) Saint Clair (disambiguation)