| Type: | parish |
| Official Name: | Amieira do Tejo |
| Region: | Alentejo |
| Cim: | Alto Alentejo |
| District: | Portalegre |
| Municipality: | Nisa |
| Area Total: | 102.44 |
| Population Total: | 309 |
| Population As Of: | 2001 |
| Dissolved: | 2013 |
| Coordinates: | 39.5°N -56°W |
Amieira do Tejo is a former civil parish in the municipality of Nisa, Portugal. In 2013, the parish merged into the new parish Arez e Amieira do Tejo.[1] It has an area of 102.44 km2 and a population of 309 (2001). The 14th century Castle of Amieira do Tejo is situated in the parish.