| Lewis Lake | |
| Coords: | 42.3731°N -70.9733°W |
| Basin Countries: | United States |
| Elevation: | 30NaN0 |
| Pushpin Map: | Massachusetts#USA |
| Pushpin Map Alt: | Location of Lewis Lake in Massachusetts, USA. |
Lewis Lake is a lake in the U.S. state of Massachusetts. It is located 0.5 mi southeast of Winthrop.