Former Owner
- I. I. Zur-Mühlen1
- Ilyās ibn Yūsuf Nāʻimat1
- Iodocus Grebel1
- Irene Ludwig1
- Ismāʻīl ibn al-Ḥājj ʻĪsá Jurayj al-Muhannā1
- J. Meade Falkner1
- J. Paul Getty Museum1
- J. T. Payne1
- Jacques Rosenthal1
- Jacques Vellekoop1
- James Albert FitzSimmons1
- James C. Byrne1
- James Dyer1
- James Lyell1
- Jean Bondieu1
- Jean II de Croÿ1
- Jean Joseph Sosthène de LaRoche Lacarelle1
- Jean Theodore Royer1
- Jean-Baptiste Huzard1
- Jivanji Jamshedji Modi1