Former Owner
- Jean Bondieu1
- Jean Felix Dénie1
- Jean de Goix1
- Jeanne de Goix1
- Jehan de Gaignières1
- Joaquín Gómez de la Cortina1
- Johann David Baier1
- Johann Heinrich van Ess1
- Johann Michael Schiller1
- Johannes Lethe1
- John Alfred Wigan1
- John Bellingham Inglis1
- John Butlar1
- John Camp Williams1
- John Couch Adams1
- John Edgar Ker1
- John Hope, 1st Marquess of Linlithgow1
- John Lee1
- John Thomas Beer1
- John William Harshberger1