| Official Name: | Blue Lake |
| Mapsize: | 150px |
| Pushpin Map: | USA Indiana Whitley County |
| Pushpin Map Caption: | Location of Blue Lake in Whitley County |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Whitley |
| Subdivision Type3: | Township |
| Subdivision Name3: | Smith |
| Coordinates: | 41.2403°N -85.3494°W |
| Elevation Footnotes: | [1] |
| Elevation Ft: | 850 |
| Postal Code Type: | ZIP code |
| Postal Code: | 46723 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 431230 |
Blue Lake is an unincorporated community in Smith Township, Whitley County, in the U.S. state of Indiana.
Blue Lake is located at 41.2403°N -85.3494°W.