Former Owner
- John Jalkyn1
- John Josias Conybeare1
- John Lee1
- John Leeche1
- John Lumley, 1st Baron Lumley1
- John Patteson1
- John R. Anderson & Co1
- John Roland Abbey1
- John Rolls, 1st Baron Llangattock3
- John Ruskin1
- John Savile1
- John Singer Sargent1
- John Taylor1
- John Thomas Beer1
- John Towneley1
- Joost Ritman5
- Joseph Anton Koch1
- Joseph Barrois14
- Joseph Ernst Koch-Sternfeld1
- Joseph Halle Schaffner1