| Casarza Ligure | |
| Official Name: | Comune di Casarza Ligure |
| Native Name: | Casersa |
| Coordinates: | 44.2667°N 35°W |
| Region: | Liguria |
| Metropolitan City: | Genoa (GE) |
| Frazioni: | Bargonasco, Bargone, Cardini, Massasco, Verici |
| Mayor: | Giovanni Stagnaro |
| Area Total Km2: | 27.4 |
| Population Footnotes: | [1] |
| Population Total: | 6919 |
| Population As Of: | 31 May 2017 |
| Population Demonym: | Casarzesi |
| Elevation M: | 34 |
| Postal Code: | 16030 |
| Area Code: | 0185 |
Casarza Ligure (lij|Casersa) is a comune (municipality) in the Metropolitan City of Genoa in the Italian region Liguria, located about 45km (28miles) southeast of Genoa.
Casarza Ligure borders the following municipalities: Castiglione Chiavarese, Maissana, Moneglia, Ne, Sestri Levante.