Former Owner
- Louis César de La Baume Le Blanc1
- Louis N. Cassett1
- Louis-Jean-Nicolas Monmerqué1
- Luini, Pacifico (Franciscan priest), active 19th century1
- Lyon Cathedral1
- M. Haimmiller1
- Madeleine Cosman1
- Madyājñika Devakṛṣṇa1
- Maheśa1
- Malachia Ormanian1
- Malvezzi de' Medici1
- Manūchihr Nukhastīn Āṣaf Qājār1
- Manṣūr, Abū al-Faz̤l ibn Ghiyāth al-Dīn1
- Mario Maffei1
- Mark Lansburgh1
- Markus Fugger1
- Mary Augusta Strachey1
- Mary Schell Collins1
- Mauni, Bālaṃbhaṭa1
- Mazliah Finzi1