Former Owner
- Louis Hercule Timoléon de Cossé-Brissac1
- Louis-Jean-Nicolas Monmerqué1
- Ludovico Settala1
- Luigi Serra di Cassano1
- Luis Escobet1
- Lycée Louis-le-Grand1
- Madeleine Cosman1
- Malvezzi de' Medici1
- Manoel Pereira da Sylva1
- Manoel S. Pinto1
- Manuel John Johnson1
- Mark Lansburgh1
- Markus Fugger1
- Martin Picker1
- Mary Augusta Strachey1
- Mary Schell Collins1
- Mary Talbot, Countess of Shrewsbury1
- Maximilian Henry of Bavaria1
- Mayer Sulzberger1
- Merlemont family1