John of Gallura
| John Visconti | |||||
|---|---|---|---|---|---|
| Judge/King of Gallura | |||||
| Reign | 1238-1275 | ||||
| Predecessor | Ubaldo | ||||
| Successor | Nino | ||||
| Died | May 1275 San Miniato | ||||
| Spouse | Dominicata Gualandi-Cortevecchia Giovanna della Gherardesca | ||||
| Issue | Nino, King of Gallura | ||||
| |||||
| House | Visconti (Sardinia branch) | ||||
| Father | Ubaldo Visconti, governor of Cagliari | ||||
John (or Giovanni) Visconti (died 1275) was the Judge of Gallura from 1238 to his death. He was a member of the Visconti dynasty of Pisa.