| Arquà Polesine | |
| Official Name: | Comune di Arquà Polesine |
| Coordinates: | 45.0167°N 55°W |
| Region: | Veneto |
| Province: | Rovigo (RO) |
| Frazioni: | Ca'Brancalion, Ca'Torelli, Cornè, Granze, La Berlina, Valmolin di Mezzo, Valmolin Inferiore |
| Mayor: | Chiara Turolla |
| Area Total Km2: | 19.93 |
| Population Footnotes: | [1] |
| Population Total: | 2682 |
| Population As Of: | 30 April 2017 |
| Population Demonym: | Arquatesi |
| Elevation M: | 8 |
| Postal Code: | 45031 |
| Area Code: | 0425 |
Arquà Polesine (pronounced as /it/; Arquà Połesine) is a comune (municipality) in the Province of Rovigo in the Italian region Veneto, located about 70km (40miles) southwest of Venice and about 7km (04miles) southwest of Rovigo.
Arquà Polesine borders the following municipalities: Bosaro, Costa di Rovigo, Frassinelle Polesine, Polesella, Rovigo, Villamarzana.
Sights include the castle, built in 1146 by Guglielmo III degli Adelardi Marcheselli, lord of Ferrara, and the parish church (rebuilt around 1516).
Arquà Polesine is twinned with:
Vourles, France.