| Belgioioso | |
| Official Name: | Comune di Belgioioso |
| Native Name: | Belgios / |
| Coordinates: | 45.1667°N 28°W |
| Province: | (PV) |
| Frazioni: | San Giacomo della Cerreta, Santa Margherita |
| Area Total Km2: | 24 |
| Population Total: | 5752 |
| Population As Of: | December 2004 |
| Population Demonym: | Belgioiosini |
| Elevation M: | 75 |
| Postal Code: | 27011 |
| Area Code: | 0382 |
Belgioioso or Belgiojoso (pronounced as /it/; Belgios pronounced as /belˈdʒuːs/ or Belgiojos pronounced as /ˌbɛldʒuˈjuːs/) is a town and comune in the Province of Pavia, region of Lombardy (northern Italy), with a population of 6,233 (2017).[1]
It is 12 km east of the city of Pavia, between the Olona River and the Po River. Due to its geographical location, Belgioioso has become one of the southern suburbs of the city of Milan.
Belgioioso is noted for its medieval castle, the seat of the Belgioioso family. Francis I of France was held there after the Battle of Pavia.
Belgioioso is twinned with:
La Fouillouse, France