Fifth Lake ist der Name folgender Seen in den Vereinigten Staaten:
Fifth Lake (Alaska), Valdez-Cordova Fifth Lake (Kalifornien), Inyo County, Kalifornien Fifth Lake (Colorado), Grand County, Colorado Fifth Lake (Michigan), Montcalm County, Michigan Fifth Lake (Cass County, Minnesota), Minnesota Fifth Lake (Clearwater County, Minnesota), Minnesota Fifth Lake (Stearns County, Minnesota), Minnesota Fifth Lake (Essex County, New York), New York Fifth Lake (Hamilton County, New York), New York Fifth Lake (Ulster County, New York), New York Fifth Lake (Wisconsin), Oneida County, Wisconsin