Former Owner
- Jean de Carvalho Martins Ferrão de Castelo Branco1
- Jeanne Govro1
- Johan Laborya de Mossach1
- Johan Meerman1
- Johann Heinrich van Ess1
- Johannes Baptista Siccus1
- John Bolton1
- John D. Stanitz1
- John Frederick Lewis38
- John Harvey Treat1
- John James Lewis1
- John Thomas Beer1
- Joost Ritman6
- Joseph Anton Koch1
- Joseph Barrois2
- Joseph Henry Allen1
- Joseph Levitsky1
- Jāgeśvara1
- Jān Sipār Khān ibn Rustamdilkhān1
- Karbalāʼī Muḥammad Ḥusayn Qāsimʹābādī1