Former Owner
- J. Marstili1
- J. Martini1
- J. Meade Falkner1
- Jacob Henry Burn1
- Jacobus de Muffoni1
- James Tanis1
- Joachim Guerrinus de Montefegatesio1
- Johan Gröf1
- Johann Heinrich van Ess1
- Johann Heinrich von Speyr-Passavant1
- Johannes Betrus Ravenoldus1
- John Carter1
- John D. Stanitz1
- John Dozier Gordan1
- John Egerton, 1st Earl of Bridgewater1
- John Frederick Lewis1
- John Gunthorpe1
- John Lee1
- John Thomas Beer1
- Joost Ritman1