Former Owner
- John Butlar1
- John C. Jackson1
- John Camp Williams1
- John Church1
- John Edgar Ker1
- John Hinely1
- John Lee1
- John Patteson1
- John Roland Abbey1
- John Ruskin1
- John Thomas Beer1
- Judith Lady Montefiore College1
- Julius de Cardelinis1
- Kloster Rebdorf1
- L. Paganthus1
- Lambach Abbey1
- Lancino Curti1
- Laurence William Hodson1
- Leicester Harmsworth1
- Lionel Tollemache, 4th Earl of Dysart1