| Type: | parish |
| Official Name: | Santa Clara-a-Velha |
| Region: | Alentejo |
| Cim: | Alentejo Litoral |
| District: | Beja |
| Municipality: | Odemira |
| Coordinates: | 37.513°N -8.476°W |
| Area Total: | 163.67 |
| Population As Of: | 2011 |
| Population Total: | 873 |
Santa Clara-a-Velha is a civil parish in the municipality of Odemira, Portugal. The population in 2011 was 873,[1] in an area of 163.67 km2.[2] It was formed in 2013 by the merger of the former parishes Santa Clara-a-Velha and Pereiras-Gare.[3] The dam of Santa Clara (Barragem de Santa Clara), one of the largest dams in Europe, is located here.