Former Owner
- J. & J. Leighton1
- Jacob Dackomb1
- Jacqueline du Pré1
- James & Mary Lee Tregaskis (Firm)1
- Jean-Baptiste Denis Guyon de Sardière1
- Jean-Louis Girardin de Vauvré1
- Jeannette Piccard1
- Jeremiah Styles1
- Jeronimus Maelens1
- John Boykett Jarman1
- John Dozier Gordan1
- John Eliot Hodgkin1
- John Estmond1
- John Hope, 1st Marquess of Linlithgow1
- John Ives1
- John Walker1
- John West, 1st Earl De La Warr1
- John Wright1
- Lambertus Eerens1
- Laurent Campagne1