Saint John

• the Gospel according to St. John;
• John the Apostle, to whom the Gospel of John is attributed
• John the Evangelist, traditionally identified with the apostle, and to whom the books 1 John, 2 John, 3 John, and Revelation are attributed
• Saint John the Baptist
• the city of Saint John, New Brunswick
• Saint John River[?], eastern North America
• Saint John of Damascus[?], translator of an account of Buddha's life in to Greek.

See also

• St. John's, Antigua and Barbuda
• St. John's, Newfoundland and Labrador, Canada
• Saint Johns, Michigan, United States
• St John's, London, England[?].