| Montaulin | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Montaulin 10.svg |
| Arrondissement: | Troyes |
| Canton: | Vendeuvre-sur-Barse |
| Insee: | 10245 |
| Postal Code: | 10270 |
| Mayor: | Rémy Marty[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Troyes Champagne Métropole |
| Coordinates: | 48.2539°N 4.1961°W |
| Elevation M: | 114 |
| Area Km2: | 12.41 |
Montaulin (in French pronounced as /mɔ̃tolɛ̃/) is a commune in the Aube department in north-central France.
The Barse flows through the commune.
The inhabitants of the town of Montaulin are Montaulinois.