Kogin Tennessee suna ne da ya dace kuma yana nufin babban kogi a kudu maso gabashin Amurka. Yana da kusan mil 652 (kilomita 1,049) kuma yana bi ta cikin jihohin Tennessee, Alabama, Mississippi, da Kentucky. Ana kiran kogin ne bayan ƙauyen Cherokee na Tanasi kuma muhimmin rafi ne na kogin Ohio. Kogin Tennessee sananne ne don yanayin yanayin yanayi daban-daban kuma yana ba da mahimman albarkatun ruwa don dalilai daban-daban, gami da kewayawa, ban ruwa, da samar da wutar lantarki.