Former Owner
- Isabel d'Oyembrugge de Duras1
- Ismāʻīl ibn Pīr Muḥammad Sarūrī1
- Israel Gollancz1
- J. Meade Falkner1
- James Bassett1
- James Ley, 1st Earl of Marlborough1
- James Rathwell Page1
- James Sotheby1
- James West1
- Jean II de Croÿ1
- Jean Joseph Sosthène de LaRoche Lacarelle1
- Jean Leclerc1
- Jivanji Jamshedji Modi1
- John A. Savage Jr.1
- John Caryll1
- John Egerton, 2nd Earl of Bridgewater1
- John Egerton, 3rd Earl of Bridgewater1
- John Henry Nash1
- John Holt1
- John Josias Conybeare1