St. Patrick Cathedral is the cathedral of the Catholic Church located in Fort Worth, Texas, United States. It is a parish of the Diocese of Fort Worth and the seat of its bishop. Construction of St. Patrick's church began in 1888, and it was dedicated in 1892. It is listed along with nearby parish facilities on the National Register of Historic Places as the St. Patrick Cathedral Complex with the church building, the rectory, and St. Ignatius Academy regarded as contributing properties. The church and academy buildings are each recognized as Recorded Texas Historic Landmarks.

The Diocese of Fort Worth is a Latin Church diocese of the Catholic Church in North Texas in the United States. It is a suffragan diocese of the metropolitan Archdiocese of San Antonio.