| Montemarciano | |
| Official Name: | Comune di Montemarciano |
| Coordinates: | 43.6333°N 32°W |
| Region: | Marche |
| Province: | Ancona (AN) |
| Frazioni: | Alberici, Cassiano, Gabella, Gelso, Grugnaletto, Forcella, Marcianella, Marina |
| Mayor: | Liana Serrani |
| Area Total Km2: | 22.1 |
| Population Total: | 10233 |
| Population As Of: | 31 August 2008[1] |
| Population Demonym: | Montemarcianesi |
| Elevation M: | 92 |
| Postal Code: | 60018 |
| Area Code: | 071 |
Montemarciano is a comune (municipality) in the Province of Ancona in the Italian region Marche, about 15km (09miles) west of Ancona.
Montemarciano borders Chiaravalle, Falconara Marittima, Monte San Vito, and Senigallia.
See also: List of twin towns and sister cities in Italy.
Montemarciano is twinned with:
Quincy-sous-Sénart, France
Bardejov, Slovakia
Saue, Estonia