Former Owner
- John Milne Buckie1
- John Morgan1
- John Morley1
- John Paget1
- John Patrick Auguste Madden2
- John Patteson2
- John Payne Collier1
- John Peacock1
- John Pery1
- John R. Anderson & Co1
- John Read Dore1
- John Reiner5
- John Roland Abbey2
- John Rolls, 1st Baron Llangattock3
- John Rolls, 2nd Baron Llangattock1
- John Rushout, 2nd Baron Northwick1
- John Ruskin7
- John Savile1
- John Selden1
- John Shelton Lawrence1