| Montier-en-l'Isle | |
| Commune Status: | Commune |
| Arrondissement: | Bar-sur-Aube |
| Canton: | Bar-sur-Aube |
| Insee: | 10250 |
| Postal Code: | 10200 |
| Mayor: | Christophe Noblot[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Région de Bar-sur-Aube |
| Coordinates: | 48.2617°N 4.6636°W |
| Elevation M: | 159 |
| Area Km2: | 10.55 |
Montier-en-l'Isle (pronounced as /fr/) is a commune in the Aube department in north-central France.