| La Chapelle-du-Lou | |
| Native Name: | Chapel-al-Loc'h |
| Image Coat Of Arms: | Blason ville fr LaChapelle-du-Lou (Ille-et-Vilaine).svg |
| Coordinates: | 48.2133°N -1.9908°W |
| Insee: | 35060 |
| Postal Code: | 35360 |
| Arrondissement: | Rennes |
| Canton: | Montauban-de-Bretagne |
| Commune: | La Chapelle-du-Lou-du-Lac |
| Elevation Min M: | 74 |
| Elevation Max M: | 114 |
| Area Km2: | 7.28 |
| Population: | 908 |
| Population Date: | 2018 |
| Population Footnotes: | [1] |
La Chapelle-du-Lou (in French pronounced as /la ʃapɛl dy lu/; Breton: Chapel-al-Loc'h; Gallo: La Chapèll-du-Lóc) is a former commune in the Ille-et-Vilaine department of Brittany in northwestern France. On 1 January 2016, it was merged into the new commune La Chapelle-du-Lou-du-Lac.[2]
People from La Chapelle-du-Lou are called in French Chapellois.