San Secondo is a Roman Catholic church and monastery located on Via Tifernate #6 just west of the medieval walls of Gubbio, region of Umbria, in Italy.
Legend holds that a church at the site was founded in 292 by a noblewoman Eudossia of the Gabrielli family of Gubbio, to house the relics of bishop San Secondo, a martyr of the persecutions of Emperor Maximian.
By the year 1141, Pope Innocent II places under his protection the rector of the Augustinian canonry associated the church of Santi Agapio e Secondino.
[1] The monastery houses the Biblioteca Agostino Steuco, that holds over 18,000 volumes including 3 incunables and 37 16th-century texts.
[3] The seminary at the site had autonomous canons regular until the 13th century, when they became linked to the Congregation del SS.