Former Owner
- James Henthorn Todd1
- James K. Moffitt1
- Jean Bondieu1
- Johan Meerman1
- Johann Heinrich von Speyr-Passavant1
- Johann Michael Schiller1
- Johem Spiess1
- John B. Stetson Jr.1
- John Bohn1
- John Cochran1
- John Edgar Ker1
- John Egylsfelld1
- John Fenn1
- John Lumley, 1st Baron Lumley1
- John Sidney Hawkins1
- John Taylor1
- John Topham1
- Joseph Barrois1
- Joseph Haslewood1
- Joseph Mayner1