Former Owner
- Howel Wills1
- Howell Wills1
- Ibrahim Sultan1
- Jacqueline du Pré1
- James & Mary Lee Tregaskis (Firm)1
- James Vallentin1
- Jean III of Acigné and Cordemai1
- Jean Lallemant1
- Jean Leclerc1
- Jean-Baptiste Denis Guyon de Sardière1
- Jean-Louis Girardin de Vauvré1
- Jeannette Piccard1
- Jeremiah Styles1
- Jeronimus Maelens1
- John Borthwick, 14th of Crookston1
- John Boykett Jarman1
- John D. Stanitz1
- John Frederick Lewis78
- John Ruskin1
- John Wright1