Sant'Anselmo all'Aventino is a complex located on the Piazza Cavalieri di Malta Square on the Aventine Hill in Rome's Ripa rione and overseen by the Benedictine Confederation and the Abbot Primate. The Sant'Anselmo complex, also known as the "Primatial Abbey of Sant'Anselmo" because it is the residence of the Abbot Primate, consists of: an ecclesiastical residential college known as the "College of Sant'Anselmo" ; a university known as the "Pontifical Athenaeum of Saint Anselm" ; the "Church of Sant'Anselmo" ; and the curial headquarters of the "Benedictine Confederation" and Abbot Primate. The complex and associated institutions are named in honor of the Benedictine monk Saint Anselm of Canterbury.

Ripa is the 12th rione of Rome, Italy, identified by the initials R. XII, and it is located in the Municipio I.