| Type: | parish |
| Pereiro de Palhacana | |
| Region: | Oeste e Vale do Tejo |
| Cim: | Oeste |
| District: | Lisbon |
| Municipality: | Alenquer |
| Area Total Km2: | 9.12 |
| Population As Of: | 2001 |
| Population Total: | 591 |
| Coordinates: | 39.0333°N -15°W |
Pereiro de Palhacana (pronounced as /pt/) is a former civil parish, located in the municipality of Alenquer, in western Portugal. In 2013, the parish merged into the new parish Ribafria e Pereiro de Palhacana.[1] It covers in area, with 591 inhabitants as of 2001.[2]