Former Owner
- Irene Ludwig1
- Isaac Foot2
- Ismāʻīl ibn Pīr Muḥammad Sarūrī1
- Ismāʻīl ibn al-Ḥājj ʻĪsá Jurayj al-Muhannā1
- Israel Sri1
- J. A. Dortmond1
- J. Marstili1
- J. Martini1
- J. Meade Falkner1
- J. P. Gumbert1
- J. Paul Getty Museum1
- Jacob Henry Burn1
- Jacob Suter1
- Jacobus de Muffoni1
- James Bassett3
- James Beedham Thompson3
- James C. Byrne2
- James Halliwell-Phillipps1
- James K. Moffitt1
- James Lyell7