The Co-cathedral of Saint Nicholas of Bari (Valencian: Cocatedral de Sant Nicolau de Bari, Spanish: Concatedral de San Nicolás de Bari) is a Roman Catholic co-cathedral located in Alacant, in the Valencian Community of Spain. The church, part of the Diocese of Orihuela-Alicante is dedicated to Saint Nicholas and was elevated to the title of cathedral on 9 March 1959 by Pope John XXIII.