Rangeley Lake, located in Franklin County, Maine, United States, is fed by several streams.

Its elevation is 1,518 feet (463 m) above sea level, and its area is about 10 square miles (26 km2).

The lake's depth is shallow near the shore, with a central basin averaging about 95 feet (29 m) deep.

The town's eponymous village is located on the northeastern shore of Rangeley Lake, at City Cove, while the village of Oquossoc is at the lake's outlet at its northwest end.

Rangeley Lake has a designated water landing zone for seaplanes (United States Aerodrome M57 – Rangeley Lake Seaplane Base).