Former Owner
- John Walker1
- John West, 1st Earl De La Warr1
- John William Bradley1
- John William Harshberger1
- John Willis1
- John de Vere, 12th Earl of Oxford1
- Jonathan Peckover1
- Josceline Bagot1
- Joseph Baer & Co.1
- Joseph Ernst Koch-Sternfeld1
- Joseph Görres1
- Joseph H. Haines1
- Joseph Jekyll1
- Joseph Marie Sormani1
- Joseph Mayner1
- Joseph Whitney1
- Josiah H. Benton1
- José Antonio Conde1
- José Fernando Ramírez1
- Juan de Londono1