| Saint-Jean-du-Bois | |
| Commune Status: | Commune |
| Arrondissement: | La Flèche |
| Canton: | La Suze-sur-Sarthe |
| Insee: | 72293 |
| Postal Code: | 72430 |
| Mayor: | Jean-Paul Boisard[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Val de Sarthe |
| Coordinates: | 47.87°N -0.0392°W |
| Elevation Min M: | 34 |
| Elevation Max M: | 73 |
| Area Km2: | 14.62 |
| Demonym: | Jamboisien, Jamboisienne |
Saint-Jean-du-Bois (in French pronounced as /sɛ̃ ʒɑ̃ dy bwa/) is a commune in the Sarthe department in the region of Pays de la Loire in north-western France.