| Polo Church | |
|---|---|
| Saint Didacus of Alcala Parish Church | |
 The church in 2024 | |
  Polo Church .svg) Polo Church .svg) Polo Church | |
| 14°42′27″N 120°56′44″E / 14.707444°N 120.945458°E | |
| Location | Valenzuela, Philippines |
| Country | Philippines |
| Denomination | Roman Catholic |
| History | |
| Status | Parish church |
| Dedication | Saint Didacus |
| Architecture | |
| Functional status | Active |
| Architectural type | Church building |
| Style | Baroque |
| Specifications | |
| Materials | adobe bricks |
| Administration | |
| Archdiocese | Manila |
| Diocese | Malolos |
| Clergy | |
| Archbishop | His Eminence José F. Advincula Jr., D.D. |
| Bishop(s) | Most Rev. Dennis C. Villarojo, D.D., Ph.D. |
| Priest(s) | Rev. Fr. Francisco G. Carson |
| Assistant priest(s) | Rev. Fr. Daniel M. Coronel |
San Diego de Alcala Church is a Roman Catholic parish church in Valenzuela, located about 15.5 kilometres (9.6 mi) north of Manila in the Philippines. The original church was the oldest church in the city, built by Father Juan Taranco and finished by Father Jose Valencia in 1632. Destroyed during World War II, its surviving belfry is the oldest in the city.