Former Owner
- Johann Heinrich von Speyr-Passavant1
- Johann Michael Schiller1
- Johannes Betrus Ravenoldus1
- Johannes Lethe1
- Johannes Wigg1
- John Alexander Stewart1
- John Bohn1
- John Butlar1
- John C. Jackson1
- John Camp Williams1
- John Church1
- John Edgar Ker1
- John Hinely1
- John Roland Abbey1
- John Ruskin1
- John Sotheby1
- John Thomas Beer1
- John Ward, 1st Earl of Dudley1
- Juan Burgueño1
- Julian Burgueño1