Former Owner
- John Sidney Hawkins1
- John Singer Sargent1
- John Skerrind1
- John Stanley, 18th Earl of Derby1
- John Stirton1
- John Stow1
- John Trotter Brockett1
- John Vyfyan1
- John Walker1
- John Wallop, Viscount Lymington1
- John William Bradley1
- John William Burns1
- John Willis1
- Jonathan Peckover1
- Josceline Bagot1
- Joseph Anton Koch1
- Joseph Baer & Co.1
- Joseph François René de Kergariou1
- Joseph Görres1
- Joseph Haslewood1