The Diocesan Shrine of San Agustin and Parish of Santa Cruz, commonly known as Holy Cross Parish or the Parish of Santa Cruz, is a Roman Catholic church in the municipality of Tanza, in the province of Cavite, Philippines.

The patron saint of the town is Augustine of Hippo commonly known as "Tata Usteng".

The town patronal feast is celebrated annually every August 28.

As a historical church, the provincial government of Cavite considers the parish as part of the "faith tourism" during the Holy Week.

This article about a Roman Catholic church building in the Philippines is a stub.