Keoka Lake is a small lake in the town of Waterford, Oxford County, Maine, United States. It is south of Waterford Flat and northeast of Waterford City (South Waterford). It is notable for being adjacent to the birthplace of Artemis Ward. Also known as Thomas Pond, it is approximately 460 acres (1.9 km) in size with a maximum depth of 14 meters (42 feet). It was formed by glaciers retreating and advancing along with Mount Tire'm, an adjacent mountain.

• "Keoka Lake". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved 2009-03-27.