Former Owner
- J. Thomson1
- Jacob Henry Burn1
- Jacob Riegel1
- James F. Drake1
- James H. Stewart1
- James Tanis1
- James Tregaskis1
- Jay Gould1
- Joachim Guerrinus de Montefegatesio1
- Joannes Angelus de Crema1
- Johan Meerman1
- Johann Heinrich von Speyr-Passavant1
- Johannes Baptista Siccus1
- John Bolton1
- John Boyd Thacher I1
- John C. Jackson1
- John D. Stanitz1
- John Egerton, 1st Earl of Bridgewater1
- John Gunthorpe1
- John Henry Ellis1