Former Owner
- House of Rucellai1
- Howard Lehman Goodhart2
- Ibrahim Sultan1
- Ibrāhīm al-Shakūrī1
- Ismāʻīl ibn al-Ḥājj ʻĪsá Jurayj al-Muhannā1
- J. Martini1
- J. T. Payne1
- J. Techener1
- J. Thomson1
- Jacob Suter1
- James Beedham Thompson3
- James F. Drake1
- James Halliwell-Phillipps1
- Janārdana Koṇḍadeva Gāḍagīla18
- Jayarāmācārya1
- Jean Theodore Royer1
- Jean de Carvalho Martins Ferrão de Castelo Branco1
- Jeanne Govro1
- Johan Laborya de Mossach1
- Johan Meerman1