Former Owner
- Irene Ludwig1
- J. Martini1
- J. Paul Getty Museum1
- J. Thomson1
- Jacob Henry Burn1
- Jacob Riegel1
- Jacques Rosenthal1
- James K. Moffitt1
- Jay Gould1
- Jesuit College of San Bartolomeo1
- Johan Gröf1
- Johannes Baptista Siccus1
- Johannes Betrus Ravenoldus1
- John C. Jackson1
- John D. Stanitz1
- John Lee1
- Joseph Barrois1
- Juana Mendel1
- Judith Lady Montefiore College1
- Julia Burgess1