| Bollengo | |
| Official Name: | Comune di Bollengo |
| Coordinates: | 45.4667°N 64°W |
| Region: | Piedmont |
| Metropolitan City: | Turin (TO) |
| Mayor: | Luigi Sergio Ricca |
| Area Total Km2: | 14.22 |
| Population Total: | 2141 |
| Population As Of: | 1-1-2017[1] |
| Population Demonym: | Bollenghino(i) |
| Saint: | St. Eusebius |
| Day: | First Sunday in August |
| Postal Code: | 10012 |
| Area Code: | 0125 |
Bollengo is a comune (municipality) in the Metropolitan City of Turin in the Italian region Piedmont, about 50km (30miles) northeast of Turin. It borders the municipalities of Torrazzo, Burolo, Ivrea, Palazzo Canavese, Magnano, Albiano d'Ivrea and Azeglio.