| La Bretonnière-la-Claye | |
| Commune Status: | Commune |
| Arrondissement: | Fontenay-le-Comte |
| Canton: | Mareuil-sur-Lay-Dissais |
| Insee: | 85036 |
| Postal Code: | 85320 |
| Mayor: | David Marchegay[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Sud Vendée Littoral |
| Coordinates: | 46.4839°N -1.255°W |
| Area Km2: | 16.48 |
La Bretonnière-la-Claye (in French pronounced as /la bʁətɔnjɛʁ la klɛ/) is a commune in the Vendée department in the Pays de la Loire region in western France.
The river Lay forms all of the commune's western border.