Former Owner
- Lycée Louis-le-Grand2
- Lydia Thompson Morris3
- Lyon Cathedral1
- Léon Gruel1
- Lālajī Śarmaṇ1
- M. De La Tour1
- M. Haimmiller1
- M. Louise Stowell1
- Madeleine Cosman1
- Madyan Qusuni1
- Madyājñika Devakṛṣṇa1
- Maffeo Pinelli1
- Maggs Bros Ltd41
- Mahadevabhaṭṭa5
- Mahdī ibn Muṣṭafá al-Ḥusaynī1
- Maheśa1
- Mahārāja Aditya Bahadur Dinha8
- Maksymilian Mielzynski1
- Malachia Ormanian1
- Malvezzi de' Medici1