Former Owner
- Cistercian Abbey of Beaupré1
- Clara von Vorssel1
- Claude Augustin de Cosson1
- Claude Bourelier1
- Clement Griscom1
- Clément de Renesse-Breidbach1
- Cortlandt F. Bishop1
- Cyrus Adler1
- Dadabhoy Framji Rustamji Darabji1
- Dahīʹzādah1
- Darvīsh Asʻad ibn ʻAbd al-Karīm ʻArab1
- Darvīsh Aḥmad Khākiyānī1
- David Gordon Lyon1
- David Solomon Sassoon1
- Davis & Orioli1
- Domenico Grimani1
- Duncan Campbell1
- E. Dwight Church1
- Eduard von Sigmundt1
- Eduardo Juan Bullrich1