Former Owner
- I. I. Zur-Mühlen1
- Ilyās ibn Yūsuf Nāʻimat1
- Imam Shamil3
- Imre De Vegh5
- Iodocus Grebel1
- Irene Ludwig1
- Isaac Hollister Hall1
- Ismāʻīl ibn al-Ḥājj ʻĪsá Jurayj al-Muhannā1
- J. Meade Falkner1
- J. Paul Getty Museum1
- J. T. Payne1
- Jacobus de Muffoni1
- Jacques Rosenthal1
- Jacques Vellekoop1
- James Albert FitzSimmons4
- James C. Byrne2
- James Dyer1
- James K. Moffitt3
- James Lyell3
- James Melville Hunnewell1