Former Owner
- Johannes Lethe1
- John Alfred Wigan1
- John Butlar1
- John C. Jackson1
- John Couch Adams1
- John Edgar Ker1
- John Fenn1
- John Henry Nash1
- John Hope, 1st Marquess of Linlithgow1
- John Lee1
- John Roland Abbey1
- John Ruskin1
- John Shelton Lawrence1
- John Thomas Beer1
- John William Harshberger1
- Joseph Barrois1
- Joseph Halle Schaffner1
- Joseph Pope1
- Juan Burgueño1
- Julian Burgueño1