Former Owner
- Jeannette Dwight Bliss1
- Jerónimos Monastery8
- Joachim Windhag1
- Joannes Angelus de Crema1
- Joannes Salzperg1
- John Boykett Jarman2
- John Burns1
- John C. Jackson1
- John D. Stanitz2
- John Eliot Hodgkin1
- John Frederick Lewis50
- John Henry Ellis1
- John Hinsdale Scheide2
- John III of Portugal2
- John Paget1
- John Payne Collier1
- John Roland Abbey1
- John Towneley1
- John Walker1
- John Ward, 1st Earl of Dudley1