Former Owner
- John Shirley1
- John Topham1
- John Trotter Brockett1
- John West, 1st Earl De La Warr1
- John Willis1
- John Wright1
- John de Vere, 12th Earl of Oxford1
- Joseph Barrois1
- Joseph François René de Kergariou1
- Joseph Jekyll1
- Jules Bonhomme1
- Kenneth Hyde1
- Kulturhistorisches Museum Magdeburg1
- Lady Margaret Ayloffe1
- Lambach Abbey1
- Lambertus Eerens1
- Lathrop Colgate Harper1
- Laurence Kirby1
- Law Society1
- Leicester Harmsworth1