Ross Lake or Lake Ross may refer to:

Australia

Lake Ross (Queensland), a reservoir in City of Townsville, Queensland

Canada

Ross Lake Provincial Park, in British Columbia

Ireland

Ross Lake (Ireland), a lake in County Galway

New Zealand

Lake Ross (New Zealand)

United States

Ross Lake (Maine) Ross Lake (Crow Wing County, Minnesota) Ross Lake Township, Crow Wing County, Minnesota Ross Lake (Ohio), a reservoir in Ross County Ross Lake (Washington), a reservoir in Washington state and British Columbia Ross Lake (Wood County, Wisconsin)