| Montmartin-le-Haut | |
| Commune Status: | Commune |
| Arrondissement: | Bar-sur-Aube |
| Canton: | Vendeuvre-sur-Barse |
| Insee: | 10252 |
| Postal Code: | 10140 |
| Mayor: | Pascal Blouquin[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 48.2089°N 4.5533°W |
| Elevation M: | 262 |
| Area Km2: | 1.61 |
Montmartin-le-Haut (pronounced as /fr/) is a commune in the Aube department in north-central France.