Former Owner
- Diego de Arce y Reinoso1
- Diego de Ayala1
- Diogo de Mello family1
- Dionne Louange1
- Dionysiĭ Vasilevich1
- Domenico Grimani1
- Domenico Silvio Passionei1
- Domenico Toschi1
- Domenico Turazza1
- Dominican Nunnery Holy Cross1
- Donato Acciaioli1
- Donaueschingen court library1
- Dr. Brooks1
- Draycot House1
- Drew Theological School1
- Duke C. Visconti di Modrone1
- Duncan Beresford-Jones1
- Duncan Campbell1
- Dājīkhaṃḍe Rāvadoṃḍrībāla1
- Dāḍekara, Bhāskarabhaṭṭa1