| Fontenille-Saint-Martin-d'Entraigues | |
| Commune Status: | Commune |
| Arrondissement: | Niort |
| Canton: | Melle |
| Insee: | 79122 |
| Postal Code: | 79110 |
| Mayor: | Gaëtan Delezay[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 46.1244°N -0.1306°W |
| Elevation M: | 74 |
| Elevation Min M: | 66 |
| Elevation Max M: | 126 |
| Area Km2: | 15.11 |
Fontenille-Saint-Martin-d'Entraigues is a commune in the Deux-Sèvres department in the Nouvelle-Aquitaine region in western France.
The main hamlets in the commune are located on the banks of the river Boutonne, which flows southwestward through the commune.