Nancy Cathedral (Cathédrale Notre-Dame-de-l'Annonciation de Nancy) is an 18th-century Roman Catholic cathedral, and national monument of France, located in the town of Nancy in Lorraine. It is the seat of the Bishop of Nancy.
The great organ of the cathedral of Nancy has been built from 1756 by Nicolas Dupont. One century later (1861), Aristide Cavaillé-Coll signed here its biggest work in France outside of Paris. The organists of these Monument Historique organ are Pierre Cortellezzi (since 1950), Johann Vexo (since 2009) and Guillaume Beaudoin (since 2014).