| Lavenay | |
| Arrondissement: | La Flèche |
| Canton: | Montval-sur-Loir |
| Commune: | Loir en Vallée |
| Insee: | 72159 |
| Postal Code: | 72310 |
| Coordinates: | 47.7917°N 0.7014°W |
| Area Km2: | 7.8 |
| Population: | 341 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Lavenay (in French pronounced as /lavnɛ/) is a former commune in the Sarthe department in the region of Pays de la Loire in north-western France. On 1 January 2017, it was merged into the new commune Loir en Vallée.[2] Its population was 341 in 2019.[1]
The Braye forms most of the commune's south-eastern border, then flows into the Loir, which forms most of its south-western border.
The railway station is at Pont-de-Braye, a hamlet south of Lavenay.