Saint John
- Abraham, Ethnus, Acrates, James, and John
- Agios Ioannis (disambiguation)
- Church of St John-at-Hackney
- Fort St. John, British Columbia
- Giovanni da Capistrano
- Jean Vianney
- Jean de Brébeuf
- Jean de Lalande
- Jean-Baptiste de La Salle
- John (disambiguation)
- John Baptist Con
- John Baptist Y
- John Berchmans
- John Bosco
- John Boste
- John Cantius
- John Cassian
- John Charles Cornay
- John Chrysostom
- John Climacus
- John Dat
- John Eudes
- John Fisher
- John Francis Regis
- John Gabriel Perboyre
- John Gualbert
- John Hoan Trinh Doan
- John Houghton (martyr)
- John III of the Sedre
- John Jones (martyr)
- John Joseph of the Cross
- John Kemble (martyr)
- John Kukuzelis
- John Leonardi
- John Macias
- John Neumann
- John Ogilvie (saint)
- John Payne (martyr)
- John Plessington
- John Rigby (martyr)
- John Roberts (martyr)
- John Sarkander
- John Scholasticus
- John Southworth (martyr)
- John Stone (martyr)
- John Thanh Van Dinh
- John Theristus
- John Wall (priest and martyr)
- John and Paul
- John de Britto
- John de Ribera
- John of Beverley
- John of Damascus
- John of Egypt
- John of Ephesus
- John of God
- John of Kronstadt
- John of Matha
- John of Meda
- John of Nepomuk
- John of Patmos
- John of Pavia
- John of Pulsano
- John of Rila
- John of Sahagún
- John of Shanghai and San Francisco
- John of Tobolsk
- John of the Cross
- John of the Grating
- John of Ávila
- John the Apostle
- John the Baptist
- John the Divine (disambiguation)
- John the Evangelist
- John the Merciful
- John the Silent
- John the Wonderworking Unmercenary
- Juan Diego
- Patriarch John IV of Constantinople
- Permanent Vacation (Aerosmith album)
- Pope John I
- Pope John Paul II
- Pope John XXIII
- Port of Saint John
- Roman Catholic Diocese of Saint John, New Brunswick
- Saint Jhn
- Saint John (electoral district)
- Saint John Cemetery (disambiguation)
- Saint John Lloyd
- Saint John Parish, Antigua and Barbuda
- Saint John Parish, Barbados
- Saint John Parish, Dominica
- Saint John Parish, Grenada
- Saint John Plantation, Maine
- Saint John River (Bay of Fundy)
- Saint John's (disambiguation)
- Saint John's Eve
- Saint John, Austin, Texas
- Saint John, Jersey
- Saint John, Kentucky
- Saint John, Malacca
- Saint John, New Brunswick
- Saint John, Saint Croix, U.S. Virgin Islands
- Saint John, U.S. Virgin Islands
- Saint John, Warrick County, Indiana
- Saint Juan (disambiguation)
- Saint-Jean (disambiguation)
- Saint-Jean-sur-Richelieu
- Saints John, Colorado
- San Giovanni (disambiguation)
- San Juan (disambiguation)
- Sankt Johann (disambiguation)
- Sant Joan (disambiguation)
- St John Ambulance
- St John the Baptist's Church, Sutterby
- St John, Cornwall
- St John, Friern Barnet
- St. John (clothing)
- St. John (crater)
- St. John (restaurant)
- St. John Publications
- St. John the Baptist (disambiguation)
- St. John the Baptist Parish, Louisiana
- St. John's, Antigua and Barbuda
- St. John's, Newfoundland and Labrador
- St. John, Florida
- St. John, Indiana
- St. John, Kansas
- St. John, Missouri
- St. John, North Dakota
- St. John, Pulaski County, Missouri
- St. John, Utah
- St. John, Washington
- St. John, Wisconsin
- St. John’s College, Oxford
- Sveti Ivan (disambiguation)
- São João (disambiguation)
- Venerable Order of Saint John
