Former Owner
- Louis Lucien Bonaparte1
- Louis XIV of France1
- Lucrezio Palladio degli Olivi1
- Luigi Celotti1
- Luigi Serra di Cassano1
- Luis Mayora1
- Magby, H1
- Manuel John Johnson1
- Marc-René de Voyer d'Argenson1
- Marie Thomas1
- Mark Lansburgh1
- Mary Stanley, Countess of Derby1
- Mary Talbot, Countess of Shrewsbury1
- Mary, Queen of Scots1
- Matthaeus Lupin1
- Matthew Bloxam1
- Maurice Johnson1
- Melchior Daniel Neubronner1
- Melk Abbey1
- Michael Tomkinson1