| Montigny-en-Arrouaise | |
| Commune Status: | Commune |
| Arrondissement: | Saint-Quentin |
| Canton: | Bohain-en-Vermandois |
| Insee: | 02511 |
| Postal Code: | 02110 |
| Mayor: | Christophe Parent[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Pays du Vermandois |
| Coordinates: | 49.9067°N 3.4769°W |
| Elevation Min M: | 90 |
| Elevation Max M: | 154 |
| Area Km2: | 9.77 |
Montigny-en-Arrouaise is a commune in the Aisne department in Hauts-de-France in northern France.