Former Owner
- J. A. Shanley1
- J. Thomson1
- Jacob Henry Burn1
- Jacques Rosenthal1
- Jacques Vellekoop1
- James Albert FitzSimmons1
- James Sotheby1
- James Stevens-Cox1
- Jay Gould1
- Jean-Frédéric Waldeck1
- Jezzar Pasha1
- Jo. Otho1
- Johann Egolph1
- John Alexander Stewart1
- John Bellingham Inglis1
- John Bulkeley1
- John Camp Williams1
- John D. Stanitz1
- John Fenn1
- John Holt1