| Sustinente | |
| Official Name: | Comune di Sustinente |
| Coordinates: | 45.0833°N 63°W |
| Region: | Lombardy |
| Province: | Mantua (MN) |
| Frazioni: | Cà Vecchia, Sacchetta, Bastia, Caselle di Poletto |
| Mayor: | Michele Bertolini |
| Area Total Km2: | 26.3 |
| Population Total: | 2109 |
| Population As Of: | 31 December 2015[1] |
| Population Demonym: | Sustinentesi |
| Elevation M: | 17 |
| Postal Code: | 46030 |
| Area Code: | 0386 |
Sustinente (Mantovano: Süstinént) is a comune (municipality) in the Province of Mantua in the Italian region Lombardy, located about 140km (90miles) southeast of Milan and about 11km (07miles) southeast of Mantua.
Sustinente borders the following municipalities: Bagnolo San Vito, Gazzo Veronese, Quingentole, Quistello, Roncoferraro, San Benedetto Po, Serravalle a Po, Villimpenta.