Former Owner
- Jean II de Croÿ1
- Jean III of Acigné and Cordemai1
- Jean-Baptiste Denis Guyon de Sardière1
- Jeannette Piccard1
- Jehan de Gaignières1
- John Borthwick, 14th of Crookston1
- John Boykett Jarman1
- John Henry Backhouse1
- John Peacock1
- John Ruskin1
- John Sotheby1
- John Willis1
- John Wright1
- Jules Bonhomme1
- Jérôme Pichon1
- Laurence Claiborne Witten II1
- Laurent Campagne1
- Legoué1
- Librairie Damascène Morgand1
- Llewelyn Lloyd-Mostyn, 3rd Baron Mostyn of Mostyn1