Saint Justin

Saint Justin may refer to:

• Justin Martyr (103–165)
• Justin the Confessor (died 269)
• Justin of Chieti, venerated as an early bishop of Chieti, Italy
• Justin of Siponto (c. 4th century), venerated as Christian martyrs by the Catholic Church
• Justin de Jacobis (1800–1860), Italian Lazarist missionary who became Vicar Apostolic of Abyssinia and titular Bishop of Nilopolis
• Justin of Ćelije (1894–1979), also known as Justin Popović, Serbian Orthodox monk and theologian

• Saint Justin School, a Catholic elementary school in Santa Clara, California
• St Justin Catholic School, a Catholic elementary school in Edmonton, Alberta

• San Giustino, commune