| Mattie | |
| Official Name: | Comune di Mattie |
| Coordinates: | 45.1167°N 14°W |
| Region: | Piedmont |
| Metropolitan City: | Turin (TO) |
| Mayor: | Francesca Vernetto |
| Area Total Km2: | 27.7 |
| Population Footnotes: | [1] |
| Population Total: | 711 |
| Population As Of: | 30 September 2011 |
| Population Demonym: | Mattiesi |
| Elevation M: | 730 |
| Saint: | Cornelius and Cyprian |
| Day: | September 16 |
| Postal Code: | 10050 |
| Area Code: | 0122 |
Mattie (pms|Màtie, frp|Matiës) is a comune (municipality) in the Metropolitan City of Turin in the Italian region Piedmont, located about 45 km west of Turin.
Mattie borders the following municipalities: Bussoleno, Susa, Meana di Susa, Roure, and Fenestrelle.