Former Owner
- Jeremy C. Jackson1
- Jeronimus Maelens1
- Jerónimos Monastery8
- Jivanji Jamshedji Modi1
- Jo. Otho1
- Joachim Guerrinus de Montefegatesio4
- Joachim, Baron von Windhag1
- Joannes Aloysius Brochman1
- Joannes Angelus de Crema1
- Joannes Salzperg1
- Joaquín Gómez de la Cortina2
- Johan C. Jackson1
- Johan Gröf1
- Johan Laborya de Mossach1
- Johan Meerman2
- Johane Bowntyene1
- Johann David Baier1
- Johann Egolph1
- Johann Heinrich van Ess20
- Johann Heinrich von Speyr-Passavant1