| Oldenico | |
| Official Name: | Comune di Oldenico |
| Coordinates: | 45.4°N 31°W |
| Region: | Piedmont |
| Province: | Vercelli (VC) |
| Mayor: | Guido Francione |
| Area Total Km2: | 6.5 |
| Population Footnotes: | [1] |
| Population Total: | 236 |
| Population As Of: | Dec. 2004 |
| Postal Code: | 13030 |
| Area Code: | 0161 |
Oldenico is a comune (municipality) in the Province of Vercelli in the Italian region Piedmont, located about 70km (40miles) northeast of Turin and about 10km (10miles) northwest of Vercelli.