Cathedral of Saint Mary of the Assumption in Ruvo di Puglia is a Roman Catholic cathedral in Ruvo di Puglia, an historic and a City of Art in Apulia, southern Italy, dedicated to the Assumption of the Virgin Mary. Formerly the episcopal seat of the Diocese of Ruvo, it is now a co-cathedral in the Diocese of Molfetta-Ruvo-Giovinazzo-Terlizzi. The building is an important example of late Apulian Romanesque architecture, built between the 12th and 13th centuries, with several later alterations.