San Camillo dei Mercedari, also called San Camillo de Lellis after its titular saint, or San Camillo ai Crociferi after the founding monastic order founded by Camillo de Lellis, the Camillians known popular as the Crociferi, which also gives name to the street which it faces, via Crociferi. Located on #71, is a Roman Catholic church located in the piazza of the same name in Catania, Sicily, southern Italy; the church is one of four major baroque church-monasteries on this street, the others being San Francesco Borgia (Jesuit), San Giuliano, and San Benedetto.