| Lagosanto | |
| Official Name: | Comune di Lagosanto |
| Coordinates: | 44.7667°N 20°W |
| Region: | Emilia-Romagna |
| Province: | Ferrara (FE) |
| Mayor: | Maria Teresa Romanini |
| Area Total Km2: | 34.44 |
| Population Footnotes: | [1] |
| Population Total: | 4864 |
| Population As Of: | 31 August 2017 |
| Population Demonym: | Laghesi |
| Elevation M: | 2 |
| Postal Code: | 44023 |
| Area Code: | 0533 |
Lagosanto (Laghese: Làgh) is a comune (municipality) in the Province of Ferrara in the Italian region Emilia-Romagna, located about 70km (40miles) northeast of Bologna and about 40km (30miles) east of Ferrara.
Lagosanto borders the following municipalities: Codigoro, Comacchio, Fiscaglia, Ostellato.