Former Owner
- James Tanis1
- Jay Gould1
- Joachim Guerrinus de Montefegatesio1
- Joannes Angelus de Crema1
- Johan Meerman1
- Johann Heinrich van Ess1
- Johann Heinrich von Speyr-Passavant1
- Johannes Baptista Siccus1
- Johannes Betrus Ravenoldus1
- John Boyd Thacher I1
- John C. Jackson1
- John Egerton, 1st Earl of Bridgewater1
- John Gunthorpe1
- John Henry Ellis1
- John Lee1
- John Morgan1
- John Rushout, 2nd Baron Northwick1
- John Ruskin1
- John Stanley, 18th Earl of Derby1
- John Thomas Beer1