Saint Anselm or Anselm of Canterbury was archbishop of Canterbury in the 11th and 12th centuries.
Saint Anselm may also refer to:
- Saint Anselm of Lucca the Younger (1036–1086), bishop of Lucca, Italy
- Saint Anselm, Duke of Friuli (died 805)
- Saint Anselm Abbey (New Hampshire), a Benedictine abbey of monks in Goffstown, New Hampshire, United States
- Saint Anselm College, its associated college
- Sant'Anselmo all'Aventino, the primatial abbey of the Benedictines in Rome, Italy, that has four institutions:
- Pontifical Atheneum of St. Anselm (Pontificio Ateneo Sant'Anselmo), its associated pontifical university
- College of Sant'Anselmo, its ecclesiastical residential college
- Curia of the Benedictine Confederation located at Sant'Anselmo
- Church of Sant'Anselmo located on the grounds of Sant'Anselmo all'Aventino