The Monastery of the Viperesche (Italian: Monastero delle Viperesche) is a former monastic building, still belonging to the Roman Catholic church, located on Via di San Vito, near the Arch of Gallienus, in the rione Esquilino, of Rome, Italy. The monastery complex, which includes the Oratory of Holy Mary of the Immaculate Conception (Italian: Oratorio di Santa Maria Immacolata della Concezione) now functions as a hostel. The monastery was in the past referred to as the Conservatory of the Holiest Conception or of the Viperesche.