| Siliqua | |
| Official Name: | Comune di Siliqua |
| Pushpin Map: | Italy Sardinia |
| Coordinates: | 39.3°N 57°W |
| Region: | Sardinia |
| Mayor: | Piergiorgio Lixia |
| Area Total Km2: | 190.4 |
| Population Total: | 4046 |
| Population As Of: | 30 June 2008[1] |
| Population Demonym: | Siliquesi |
| Elevation M: | 66 |
| Postal Code: | 09010 |
| Area Code: | 0781 |
Siliqua (Sardinian: Silìcua) is a comune (municipality) in the Province of South Sardinia in the island of Sardinia, located about 25km (16miles) northwest of Cagliari. As of 31 December 2004, it had a population of 4,077 and an area of 190.4km2.