Former Owner
- Irene Ludwig3
- Irvine Masson1
- Ismāʻīl ibn al-Ḥājj ʻĪsá Jurayj al-Muhannā1
- J. A. Shanley1
- J. Paul Getty Museum3
- J.J. Middleton1
- Jacob Riegel1
- Jacques Annibal Claret de La Tourrette1
- James Beedham Thompson3
- James Henthorn Todd1
- James Laurie1
- James Lyell6
- James Stevens-Cox1
- Jan Six VII1
- Janārdana Koṇḍadeva Gāḍagīla18
- Jayarāmācārya1
- Jean Felix Dénie1
- Jean Jules Olinger1
- Jean P. McClenahan2
- Jean de Goix1