| Mariano del Friuli | |
| Official Name: | Comune di Mariano del Friuli |
| Coordinates: | 45.9167°N 41°W |
| Region: | Friuli-Venezia Giulia |
| Province: | Gorizia (GO) |
| Frazioni: | Corona |
| Mayor: | Cristina Visintin |
| Area Total Km2: | 8 |
| Population Total: | 1538 |
| Population As Of: | December 31, 2004 |
| Elevation M: | 32 |
| Saint: | San Gottardo |
| Day: | May 5 |
| Postal Code: | 34070 |
| Area Code: | 0481 |
Mariano del Friuli is a town and Italian: [[comune]] (municipality) in the Regional decentralization entity of Gorizia, part of the Friuli-Venezia Giulia region of north-eastern Italy. It is the birthplace of the former Italy national football team goalkeeper Dino Zoff.