| Maâtz | |
| Commune Status: | Commune |
| Arrondissement: | Langres |
| Canton: | Villegusien-le-Lac |
| Insee: | 52298 |
| Postal Code: | 52500 |
| Mayor: | Thomas Auvigne[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Auberive Vingeanne et Montsaugeonnais |
| Coordinates: | 47.7025°N 5.4506°W |
| Elevation M: | 269 |
| Area Km2: | 10.84 |
Maâtz is a commune in the Haute-Marne department in north-eastern France.