| Gonnosnò | |
| Official Name: | Comune di Gonnosnò |
| Pushpin Map: | Italy Sardinia |
| Coordinates: | 39.7667°N 60°W |
| Region: | Sardinia |
| Province: | Oristano (OR) |
| Frazioni: | Figu |
| Mayor: | Mauro Steri |
| Area Total Km2: | 15.46 |
| Population Total: | 768 |
| Population As Of: | 31 August 2017[1] |
| Population Demonym: | Gonnosnesi |
| Elevation M: | 195 |
| Postal Code: | 09090 |
| Area Code: | 0783 |
Gonnosnò is a comune (municipality) in the Province of Oristano in the Italian region Sardinia, located about 60km (40miles) northwest of Cagliari and about 30km (20miles) southeast of Oristano.
Gonnosnò borders the following municipalities: Albagiara, Ales, Baradili, Baressa, Curcuris, Genoni, Simala, Sini, Usellus.