Former Owner
- John Butlar1
- John C. Jackson1
- John Frederick Lewis48
- John Morgan1
- John Ruskin1
- John West, 1st Earl De La Warr1
- John Wright1
- Joseph Barrois1
- Katherine Somerset Wyttenbach Fenwick1
- Kloster Rebdorf1
- Lambertus Eerens1
- Laurent Campagne1
- Lawrence J. Schoenberg4
- Legoué1
- Louis César de La Baume Le Blanc1
- Luther Albertus Brewer1
- Lydia Thompson Morris1
- Lyon Cathedral1
- Lālajī Śarmaṇ1
- Maggs Bros Ltd1