Kalmar "Chattahoochee" suna daidai ce kuma tana nufin kogin da ke ratsa kudu maso gabashin Amurka. Sunan ya fito ne daga haɗakar kalmomin Muskogean Indiya guda biyu, "chatta," ma'anar dutse, da "hoochee," ma'ana alama ko fure. Kogin Chattahoochee yana farawa ne daga tsaunin Appalachian a arewa maso gabashin Jojiya kuma yana gudana zuwa kudu sama da mil 430 ta Georgia da Alabama kafin daga bisani ya shiga kogin Flint don samar da kogin Apalachicola.