Encyclopedias, Almanacs, Transcripts, and Maps
- John Italus
- John IV the Faster, Patriarch of Constantinople
- John IV, Pope
- John IX, Pope
- John Joseph of the Cross, St.
- John Klenkok
- John Kynyngham
- John le Moine
- John le Romeyn
- John Lobedau, Bl.
- John Lutterell
- John Malalas
- John Milíč
- John of Acton
- John of Antioch
- John of Appleby
- John of Avila, St.
- John of Bastone, Bl.
- John of Beverley, St.
- John of Biclaro