Roman Catholic Archdiocese of Nakhchivan

The Catholic Archdiocese of Nakhchivan (also known as Diocese of Naxivan, - of Nakhtchevan, or of Nachitschewan; Latin Name: Naxivansus) was a Latin Catholic diocese in Armenia, located in the city of Nakhchivan, in modern-day Azerbaijan. In 1847, it was suppressed.

The last remains of its ancient cathedral of All Saints in the episcopal see were destroyed in the 1845 earthquake.