| Saint-Hilaire-le-Lierru | |
| Arrondissement: | Mamers |
| Canton: | La Ferté-Bernard |
| Insee: | 72288 |
| Postal Code: | 72160 |
| Commune: | Tuffé-Val-de-la-Chéronne |
| Coordinates: | 48.1092°N 0.5381°W |
| Elevation Min M: | 70 |
| Elevation Max M: | 120 |
| Area Km2: | 4.5 |
| Population: | 132 |
| Population Date: | 2018 |
| Population Footnotes: | [1] |
| Demonym: | Saint-Hilairien, Saint-Hilairiennes Saint-Hilairois, Saint-Hilairoise |
Saint-Hilaire-le-Lierru is a former commune in the Sarthe department in the region of Pays de la Loire in north-western France. On 1 January 2016, it was merged into the new commune of Tuffé-Val-de-la-Chéronne.[2] Its population was 132 in 2019.[1]