Former Owner
- Jean-Baptiste Denis Guyon de Sardière1
- Jeremiah Styles1
- Jeremy C. Jackson1
- Jeronimus Maelens1
- Joachim Guerrinus de Montefegatesio1
- Johannes de Helb1
- Johem Spiess1
- John Boykett Jarman1
- John Eliot Hodgkin1
- John Estmond1
- John Fletcher Hurst1
- John Ives1
- John Morgan1
- John Read Dore1
- John Ruskin1
- John Walker1
- John West, 1st Earl De La Warr1
- Joseph Mayner1
- Kloster Kuringen1
- Lambertus Eerens1