Tarkio may refer to:
Tarkio River, a river that runs through Iowa and Missouri Tarkio Township, Page County, Iowa Tarkio City, an extinct hamlet in southern Tarkio Township Tarkio Township, Atchison County, Missouri Tarkio, Missouri, a town on the Tarkio River in the northwest corner of Missouri in Tarkio Township Tarkio (album), a 1970 album by the folk-rock duo Brewer & Shipley, named for the city in Missouri Tarkio College, a college no longer in existence in the city of Tarkio, Missouri Tarkio, Holt County, Missouri, an extinct hamlet Tarkio, a former railroad station located at Forbes, Missouri Tarkio, Montana, a small town near Missoula, Montana Tarkio (band), an indie rock group which took its name from the town in Montana