Saint Giles church in Wyszków, Roman Catholic church in Wyszków, Poland.

Saint Giles Church in Wyszków is a brick building designed in the classical style with symmetrical facades and balanced proportions throughout. The structure displays clean lines and an orderly architectural approach characteristic of classicism from its period.

The church was built in 1793 as an example of classical architecture of that era. It suffered severe damage during World War II but was later reconstructed and restored.

Since 1 September 2014 the church has been the Sanctuary of Saint Giles, the second sanctuary in Poland dedicated to him after Mikorzyn in the Kalisz diocese. That day relics of the saint were carried into the building. The parish belongs to the Wyszków deanery of the Łomża diocese.

The church stands in Wyszków, in the Łomża diocese, and since 1 September 2014 has been the Sanctuary of Saint Giles, only the second such sanctuary in Poland after Mikorzyn. Relics of the saint were carried into the building that day. Visitors can see the two chapels added in 1884, the Sacred Heart of Jesus and Our Lady.

Since 1 September 2014 the church has been a sanctuary of Saint Giles, the second in Poland after Mikorzyn in the Kalisz diocese. That day the saint's relics were carried into the building, and the church kept its original dedication.