Saint John or St. John could mean:

• John the Baptist, also known as John of Jerusalem, who baptised Jesus at the start of Jesus' ministry
• John the Apostle, one of the twelve apostles of Jesus
• John the Evangelist, author of the Gospel of John. In some traditions, the same person as John the Apostle.
• John of Patmos, author of the Book of Revelation

(in chronological order)

• Saint John (d. 303), martyred with Cyrus (see Cyrus and John)
• Saint John (d. 366), a priest martyred with Abda and Abdjesus
• Saint John of Egypt (d. 394) hermit
• Saint John Chrysostom (347–407), Archbishop of Constantinople
• Saint John Cassian (c. 360–433)
• Pope John I (523–526)
• Saint John Climacus (c. 579–649), also known as John of the Ladder, John Scholasticus and John Sinaites
• Saint John the Merciful (d. c. 620), also known as John the Almoner, John the Almsgiver, John V of Alexandria, and Johannes Eleemon
• Saint John of Ephesus (c. 505 – c. 585)
• Saint John of Damascus (c. 676–749)
• Saint John of Beverley (d. 721)
• Saint John of Rila (876 – c. 946), also known as Ivan Rilski, Bulgarian hermit
• Saint John of Matha (1169–1218), French founder of the Trinitarian Order
• Saint John of Nepomuk (c. 1340–1396), Bohemian priest
• Giovanni da Capistrano (1386–1456)
• Saint John Fisher (1469–1535), Bishop of Rochester, professor at Cambridge
• Saint John of God (1495–1550)
• Saint John of Avila (1500–1569)
• Saint John of the Cross (1542–1591), Spanish mystic
• Saint John Sarkander (1576–1620), Moravian priest
• Saint John Ogilvie (1579–1615), Scottish Catholic martyr
• Saint Jean-Baptiste de la Salle (1651–1719), the patron saint of teachers
• Saint John Joseph of the Cross (1654–1739), Italian Franciscan
• Saint John Neumann (1811–1860), Bishop of Philadelphia
• John Bosco born Giovanni Melchior Bosco (1815–1888)
• John Baptist Con, John Charles Cornay, John Dat, John Hoan Trinh Doan, John Louis Bonnard, and John Thanh Van Dinh of the Vietnamese Martyrs (16th–19th century)
• John, (era unknown), one of the Ethiopian saints Abraham, Ethnus, Acrates, James, and John
• John of Sammanud, (era unknown), martyred with James of Manug
• John of Kiev, the name used to refer to an infant of Kiev and an adult monk, both saints – see Abraham and Onesimus of Kiev

• Mar Yohanna (Arabic)
• Sant Joan (Catalan)
• Saint-Jean (French)
• Sankt Johann (German)
• Agios Ioannis (Greek)
• San Giovanni (Italian)
• São João (Portuguese)
• San Juan (Spanish)
• Sant Ioan (Welsh)
• Sankt Hans (Danish)
• San Joan or Donibane (Basque)
• Johannes de Doper (Dutch)

• Austin St. John, American actor
• Bridget St John, British singer
• Henry St John, 1st Viscount Bolingbroke (1678–1751), English statesman and philosopher
• Ian St. John, former footballer and now pundit
• John St. John (1833–1916), U.S. politician
• Kate St John, British musician and composer
• Lara St. John, Canadian violinist
• Oliver St John (c. 1598–1673), English statesman and judge
• Spenser St. John, British Consul in Brunei (19th century)
• Pamela St. John, American composer

• Saint John, New Brunswick
  • Saint John (electoral district), federal electoral district in New Brunswick
  • Saint John River, in New Brunswick and Maine (United States)

• St John, Cornwall, a village near Millbrook, Cornwall, England
• St John, Hackney, England
• St. John, Powys, Wales
• Saint John, Jersey – a parish on Jersey.

• St. John, Indiana
• St. John, Kansas
• St. John the Baptist Parish, Louisiana
• Saint John Plantation, Maine
• St. John, Missouri
• St. John, North Dakota
• Saint John, U.S. Virgin Islands
• St. John, Washington
• Saint John River, Maine and New Brunswick (Canada)

• Knights of St. John
• St. John Ambulance
• Venerable Order of Saint John
• York St John University
• St. John (comic book publisher)
• St John (restaurant), Smithfield, London
• St. John (store), an upscale, luxury American fashion brand
• St. John Catholic School, Toronto

• John (disambiguation)
• Saint John's (disambiguation)
• St. John's Cathedral (disambiguation)
• Saint John Cemetery (disambiguation)
• St. John's Church (disambiguation)
• Saint John's College (disambiguation)
• Saint John Parish (disambiguation)
• St. John's School (disambiguation)
• Saint John's University (disambiguation)

This disambiguation page lists articles associated with the title Saint John. If an internal link led you here, you may wish to change the link to point directly to the intended article.