The Basilica of Saint Joseph Proto-Cathedral is a Catholic parish church at 310 West Stephen Foster Avenue in Bardstown, Kentucky. It is the original cathedral of the present Roman Catholic Archdiocese of Louisville, originally erected as the Diocese of Bardstown — "proto-cathedral" means the original cathedral of a see that has transferred or moved. During its years as a cathedral, the pastor was Benedict Joseph Flaget, the first bishop of Bardstown.

Bardstown is a home rule-class city in Nelson County, Kentucky, United States. The population was 13,567 in the 2020 census. It is the county seat of Nelson County.