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