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.

Fort Worth is a city in the U.S. state of Texas and the seat of Tarrant County, covering nearly 350 square miles (910 km2) into four other counties: Denton, Johnson, Parker, and Wise. According to a 2022 United States census estimate, Fort Worth's population was 956,709, the 5th-most populous in the state and the 13th-most populous in the United States. Fort Worth is the second-largest city in the Dallas–Fort Worth–Arlington metropolitan area, which is the fourth-most populous metropolitan area in the United States, and the most populous in Texas.