The Diocese of Lausanne, Geneva and Fribourg is a Latin Catholic diocese in Switzerland, which is exempt. The original diocese of Lausanne was a suffragan of the archdiocese of Besançon, through the 18th century. The diocese of Geneva was a suffragan of the archdiocese of Vienne.

Fribourg Cathedral is a Roman Catholic cathedral in Fribourg, Switzerland, built in the Gothic style, on a rocky outcrop 50 metres above the river Sarine (Saane), dominating the medieval town below. It is the episcopal seat of the Diocese of Lausanne, Geneva and Fribourg.