Jefferson Township is the name of 23 townships in the U.S. state of Iowa:
Jefferson Township, Adair County, Iowa Jefferson Township, Allamakee County, Iowa Jefferson Township, Bremer County, Iowa Jefferson Township, Buchanan County, Iowa Jefferson Township, Butler County, Iowa Jefferson Township, Clayton County, Iowa Jefferson Township, Dubuque County, Iowa Jefferson Township, Fayette County, Iowa Jefferson Township, Harrison County, Iowa Jefferson Township, Henry County, Iowa Jefferson Township, Johnson County, Iowa Jefferson Township, Lee County, Iowa Jefferson Township, Louisa County, Iowa Jefferson Township, Madison County, Iowa Jefferson Township, Mahaska County, Iowa Jefferson Township, Marshall County, Iowa Jefferson Township, Polk County, Iowa Jefferson Township, Poweshiek County, Iowa Jefferson Township, Ringgold County, Iowa Jefferson Township, Shelby County, Iowa Jefferson Township, Taylor County, Iowa Jefferson Township, Warren County, Iowa Jefferson Township, Wayne County, Iowa
See also Jefferson Township (disambiguation)