Former Owner
- Jeanne de Goix1
- Jehan de Gaignières1
- Jesuit College of San Bartolomeo1
- Joaquín Gómez de la Cortina1
- Johan Laborya de Mossach1
- Johann David Baier1
- Johann Michael Schiller1
- Johannes Lethe1
- Johannes Wesbach1
- John Boyd Thacher I1
- John Bulkeley1
- John Camp Williams1
- John Caryll1
- John Edgar Ker1
- John Eliot Hodgkin1
- John Frederick Lewis1
- John Henry Gurney Jr.1
- John Hope, 1st Marquess of Linlithgow1
- John Lee1
- John Patteson1