Former Owner
- Henry Wyndham, 2nd Baron Leconfield1
- Ibrahim Sultan1
- Ibrāhīm al-Shakūrī1
- Ibrāhīmʹzādah Ismāʻīl Z̲ihnī1
- Ilyās ibn Yūsuf Nāʻimat1
- Institut für Orientalistik (Universität Wien)1
- Irene Ludwig1
- Ismāʻīl ibn Pīr Muḥammad Sarūrī1
- Ismāʻīl ibn al-Ḥājj ʻĪsá Jurayj al-Muhannā1
- J. Paul Getty Museum1
- Jan Six VII1
- Jaʻfar ʻAlī1
- Jean E. Austin1
- Jean Jules Olinger1
- Jean de Carvalho Martins Ferrão de Castelo Branco1
- Jivanji Jamshedji Modi1
- Jo. Otho1
- Joannes Salzperg1
- Johann David Baier1
- Johann Heinrich van Ess1