Giannutri
| Giannutri island from sea | |
| Geography | |
|---|---|
| Location | Tyrrhenian Sea | 
| Archipelago | Tuscan Archipelago | 
| Total islands | 1 | 
| Area | 2.6 km2 (1.0 sq mi) | 
| Length | 2.8 km (1.74 mi) | 
| Width | 0.5 km (0.31 mi) | 
| Highest elevation | 88 m (289 ft) | 
| Highest point | Poggio del Capel Rosso | 
| Administration | |
| Italy | |
| Region | Tuscany | 
| Province | Grosseto (GR) | 
| Comune | Isola del Giglio | 
| Demographics | |
| Population | 27 registered resident population (2011) | 
Giannutri (Italian pronunciation: [dʒanˈnuːtri]) is a small island in the Tyrrhenian Sea off the coast of Tuscany, Italy; it is the southernmost island of the Tuscan Archipelago and it is a frazione of the comune of Isola del Giglio in the Province of Grosseto.