Polk Township may refer to:
Arkansas Polk Township, Newton County, Arkansas, in Newton County, Arkansas
Illinois Polk Township, Macoupin County, Illinois
Indiana Polk Township, Huntington County, Indiana Polk Township, Marshall County, Indiana Polk Township, Monroe County, Indiana Polk Township, Washington County, Indiana
Iowa Polk Township, Benton County, Iowa Polk Township, Bremer County, Iowa Polk Township, Jefferson County, Iowa Polk Township, Shelby County, Iowa Polk Township, Taylor County, Iowa Polk Township, Wapello County, Iowa
Minnesota Polk Centre Township, Pennington County, Minnesota
Missouri Polk Township, Adair County, Missouri Polk Township, Atchison County, Missouri Polk Township, Cass County, Missouri Polk Township, Dade County, Missouri Polk Township, DeKalb County, Missouri Polk Township, Madison County, Missouri Polk Township, Nodaway County, Missouri Polk Township, Ray County, Missouri Polk Township, St. Clair County, Missouri Polk Township, Sullivan County, Missouri
Ohio Polk Township, Crawford County, Ohio
Pennsylvania Polk Township, Jefferson County, Pennsylvania Polk Township, Monroe County, Pennsylvania