| Monte Porzio | |
| Official Name: | Comune di Monte Porzio |
| Coordinates: | 43.6833°N 16°W |
| Region: | Marche |
| Province: | Pesaro e Urbino (PU) |
| Frazioni: | Castelvecchio |
| Mayor: | Giovanni Breccia |
| Area Total Km2: | 18.4 |
| Population Total: | 2844 |
| Population As Of: | 30 November 2017[1] |
| Population Demonym: | Monteporziesi |
| Elevation M: | 105 |
| Saint: | St. Michael Archangel |
| Day: | 29 September |
| Postal Code: | 61040 |
| Area Code: | 0721 |
Monte Porzio is a comune (municipality) in the Province of Pesaro e Urbino in the Italian region Marche, located about 40km (30miles) west of Ancona and about 30km (20miles) southeast of Pesaro.
Monte Porzio borders the following municipalities: Corinaldo, Mondavio, San Costanzo, Terre Roveresche, and Trecastelli. It is an agricultural and industrial center on the hills of the left bank of the lower Val Cesano. In the 19th century it was renowned for the production of scissors.