Former Owner
- John Borthwick, 14th of Crookston1
- John Boyd Thacher I1
- John Browne1
- John Campbell, 1st Marquess of Breadalbane1
- John Caryll1
- John E. Burton1
- John Eliot Hodgkin1
- John F. Fleming1
- John M Cuthbert1
- John Swyntoun1
- John Topham1
- John Trotter Brockett1
- John West, 1st Earl De La Warr1
- John Wright1
- Joseph François René de Kergariou1
- Joseph Jekyll1
- Joseph Levitsky1
- Joseph Whitney1
- José Antonio Conde1
- Juan de Londono1