The Minor Basilica of St. Mary in Domnica alla Navicella, or simply Santa Maria in Domnica or Santa Maria alla Navicella, is a Roman Catholic basilica in Rome, Italy, dedicated to the Blessed Virgin Mary and active in local charity according to its long tradition. It is one of the best examples of the Carolingian Renaissance in Rome. It has been the titular church of Cardinal Marcello Semeraro since 28 November 2020.

Marcello Semeraro is an Italian prelate of the Catholic Church who has been the Prefect of the Congregation for the Causes of Saints since October 2020. He was previously Bishop of Albano and secretary to the group of cardinals named by Pope Francis to advise him.