Former Owner
- John Kemp1
- John Lumley, 1st Baron Lumley1
- John Milne Buckie1
- John Peacock1
- John Sidney Hawkins1
- John Skerrind1
- John Stow1
- John Topham1
- John Wallop, Viscount Lymington1
- John Willis1
- Joost Ritman1
- Joseph Haslewood1
- Joseph Mayner1
- Josh Miller1
- Julia Burgess1
- Karl Anton, Prince of Hohenzollern1
- Karl Leopold Strauven1
- Katherine Somerset Wyttenbach Fenwick1
- Keith Jarvis1
- Laurence Claiborne Witten II1