| Le Lou-du-Lac | |
| Native Name: | Al Loc'h |
| Coordinates: | 48.21°N -1.9917°W |
| Insee: | 35158 |
| Postal Code: | 35360 |
| Arrondissement: | Rennes |
| Canton: | Montauban-de-Bretagne |
| Commune: | La Chapelle-du-Lou-du-Lac |
| Elevation Min M: | 63 |
| Elevation Max M: | 101 |
| Area Km2: | 3.18 |
| Population: | 97 |
| Population Date: | 2018 |
| Population Footnotes: | [1] |
Le Lou-du-Lac (in French pronounced as /lə lu dy lak/; ; Gallo: Le Lóc) is a former commune in the Ille-et-Vilaine department in Brittany in northwestern France. On 1 January 2016, it was merged into the new commune La Chapelle-du-Lou-du-Lac.[2]