| Mornese | |
| Official Name: | Comune di Mornese |
| Native Name: | Morneize |
| Coordinates: | 44.6333°N 53°W |
| Region: | Piedmont |
| Province: | Alessandria (AL) |
| Frazioni: | Mazzarelli |
| Mayor: | Marco Giovanni Mazzarello |
| Area Total Km2: | 13.3 |
| Population Total: | 726 |
| Population As Of: | 31 December 2008[1] |
| Population Demonym: | Mornesini |
| Elevation M: | 380 |
| Postal Code: | 15075 |
| Area Code: | 0143 |
Mornese (lij|Morneize) is a comune (municipality) in the Province of Alessandria in the Italian region Piedmont, located about 100km (100miles) southeast of Turin and about 35km (22miles) southeast of Alessandria.
Mornese borders the following municipalities: Bosio, Casaleggio Boiro, Montaldeo, and Parodi Ligure.