Name
- Cowper, Henry Augustus, Consul General at Havana2
- Cradock, John Hobart, 2nd Baron Howden al Caradoc2
- Crealock, Henry Hope, Lieutenant-General CB2
- Cumberbatch, Robert William, Consul at Smyrna2
- Curzon, Robert, 14th Baron Zouche of Harringworth, traveller and collector of manuscripts, 1810-18732
- Cutis, Charles George, Reverend2
- Cánovas del Castillo, Antonio, Spanish politician2
- Davis, Nathan, clergyman, missionary and archaeologist, 1819-18822
- Decken, Karl Klaus, Baron, explorer, 1833-18652
- Dent, William, Director of the East India Company, d 18772
- Dickson, John, diplomat, 1847-19062
- Dickson, William John, diplomat, fl 1851-18852
- Dillon, Alfred, correspondent of Sir Austen Layard, fl 18802
- Dillon, Harold Arthur, 17th Viscount Dillon, antiquary and historian, 1844-19322
- Dillwyn, Lewis Llewelyn, industrialist and politician, 1814-18922
- Donnelly, John Fretcheville Dykes, Knight, army officer, military engineer and promoter of scientific education, 1834-19022
- Duncan, John, of Aberdeen, clergyman, missionary and academic, 1796-18702
- Eden, Caroline, correspondent of Sir Austen Henry Layard, fl 1884-18892
- Edhem, Pasha2
- Edward VII, King of Great Britain and Ireland, 1841-19102