| Saint-Jean-aux-Bois | |
| Commune Status: | Commune |
| Arrondissement: | Rethel |
| Canton: | Signy-l'Abbaye |
| Insee: | 08382 |
| Postal Code: | 08220 |
| Mayor: | Guy Bertrand[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Crêtes Préardennaises |
| Coordinates: | 49.7258°N 4.3075°W |
| Elevation M: | 210 |
| Area Km2: | 8.9 |
Saint-Jean-aux-Bois is a commune in the Ardennes department in northern France.