| Mont-l'Étroit | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Mont-l'Etroit 54.svg |
| Arrondissement: | Toul |
| Canton: | Meine au Saintois |
| Insee: | 54379 |
| Postal Code: | 54170 |
| Mayor: | Jean-Jacques Tavernier[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Pays de Colombey et Sud Toulois |
| Coordinates: | 48.4989°N 5.7856°W |
| Elevation M: | 389 |
| Elevation Min M: | 286 |
| Elevation Max M: | 427 |
| Area Km2: | 6.42 |
Mont-l'Étroit (in French pronounced as /mɔ̃ letʁwa/) is a commune in the Meurthe-et-Moselle department in North-Eastern France.