| Colby Lake | |
| Location: | Washington County, Minnesota |
| Coordinates: | 44.9067°N -92.91°W |
| Type: | Lake |
| Pushpin Map: | Minnesota |
| Pushpin Map Alt: | Location of Colby Lake in Minnesota |
Colby Lake is a lake in Washington County, in the U.S. state of Minnesota.
Colby Lake was named for John Colby, an early settler turned county official.[1]
A 2-mile paved trail circumnavigates the lake, which is a popular recreational destination.