Former Owner
- John Lumley, 1st Baron Lumley1
- John Pery1
- John Roland Abbey1
- John Ruskin1
- John Shirley1
- John Sidney Hawkins1
- John Stow1
- John Taylor1
- Joseph Jekyll1
- Justin MacCarthy Reagh1
- Laurence Vaux1
- Long Island Historical Society, Maine1
- Louis XIV of France1
- Luigi Celotti1
- Luigi Serra di Cassano1
- Manuel John Johnson1
- Marc-René de Voyer d'Argenson1
- Marsden J. Perry1
- Mary Talbot, Countess of Shrewsbury1
- Mary, Queen of Scots1