| Castiraga Vidardo | |
| Official Name: | Comune di Castiraga Vidardo |
| Coordinates: | 45.2667°N 35°W |
| Region: | Lombardy |
| Province: | Lodi (LO) |
| Mayor: | Emma Perfetti |
| Area Total Km2: | 5.3 |
| Population Footnotes: | [1] |
| Population Total: | 2818 |
| Population As Of: | 30 June 2017 |
| Population Demonym: | Vidardesi |
| Elevation M: | 74 |
| Postal Code: | 26866 |
| Area Code: | 0371 |
Castiraga Vidardo (Lodigiano: Vidàrd) is a comune (municipality) in the Province of Lodi in the Italian region Lombardy, located about 30km (20miles) southeast of Milan and about 8km (05miles) southwest of Lodi.
Castiraga Vidardo borders the following municipalities: Salerano sul Lambro, Borgo San Giovanni, Caselle Lurani, Marudo, Sant'Angelo Lodigiano.
The double name of this village comes from the two biggest frazioni, Castiraga da Reggio and Vidardo, previously part of the commune of Marudo.