| Type: | parish |
| Official Name: | Caldas de São Jorge |
| Region: | Norte |
| Metro: | Porto |
| District: | Aveiro |
| Municipality: | Santa Maria da Feira |
| Coordinates: | 40.9667°N -38°W |
| Area Total: | 4.70 |
| Population Total: | 2728 |
| Population As Of: | 2001 |
| Dissolved: | 2013 |
Caldas de São Jorge is a former civil parish in the municipality of Santa Maria da Feira, Portugal. In 2013, the parish merged into the new parish Caldas de São Jorge e Pigeiros.[1] It has a population of 2,728 inhabitants and a total area of 4.70 km2.
The major attraction of the town is the spa and its hotel.