St. James Cathedral is a Roman Catholic cathedral church located at 804 Ninth Avenue in the First Hill neighborhood of Seattle, Washington, United States. It is the mother church of the Archdiocese of Seattle and the seat of its archbishop, currently J. Peter Sartain. The cathedral is named for St. James the Greater, patron saint of the archdiocese, and is the third church in the territory presently known as the Archdiocese of Seattle to bear the name.