Osage Township may refer to the following places in the United States:
Arkansas Osage Township, Carroll County, Arkansas
Illinois Osage Township, LaSalle County, Illinois
Iowa Osage Township, Mitchell County, Iowa
Kansas Osage Township, Allen County, Kansas Osage Township, Bourbon County, Kansas Osage Township, Crawford County, Kansas
Minnesota Osage Township, Becker County, Minnesota
Missouri Osage Township, Bates County, Missouri Osage Township, Camden County, Missouri Osage Township, Cole County, Missouri Osage Township, Crawford County, Missouri Osage Township, Dent County, Missouri Osage Township, Henry County, Missouri Osage Township, Laclede County, Missouri Osage Township, Miller County, Missouri Osage Township, Morgan County, Missouri Osage Township, St. Clair County, Missouri Osage Township, Vernon County, Missouri