| Monthenault | |
| Commune Status: | Commune |
| Arrondissement: | Laon |
| Canton: | Laon-2 |
| Insee: | 02508 |
| Postal Code: | 02860 |
| Mayor: | Pierrette Druet[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Pays de Laon |
| Coordinates: | 49.4883°N 3.6678°W |
| Elevation M: | 186 |
| Elevation Min M: | 101 |
| Elevation Max M: | 198 |
| Area Km2: | 2.94 |
Monthenault (pronounced as /fr/) is a commune in the Aisne department in Hauts-de-France in northern France.