Former Owner
- Jacob Henry Burn1
- Jacob Riegel1
- Jacques Rosenthal1
- James Dyer1
- James Ellsworth1
- James Elwin Millard1
- James Halliwell-Phillipps1
- James Henthorn Todd1
- James Ley, 1st Earl of Marlborough1
- Jan Six VII1
- Janārdana Koṇḍadeva Gāḍagīla1
- Jay Gould1
- Jaʻfar ʻAlī1
- Jean Baptiste Verdussen1
- Jean Budé1
- Jean E. Austin1
- Jean Felix Dénie1
- Jean II de Croÿ1
- Jean Jules Olinger1
- Jean Leclerc1