The Cathedral Basilica of Our Lady of Peace — also known by its original French name Cathédrale de Notre Dame de la Paix, its Portuguese variant Catedral de Nossa Senhora da Paz and its Hawaiian derivative Malia o ka Malu Hale Pule Nui — is the mother church of the Diocese of Honolulu and houses the cathedra of the Bishop of Honolulu in Honolulu, Hawaiʻi. It is located at the north end of Fort Street Mall in downtown Honolulu.