Name
- Collingwood, George Lewis Newnham, FRS1
- Colloredo-Waldsee, Franz, Count, Austrian Ambassador in London1
- Colquhoun, John Campbell, MP1
- Conroy, John, equerry to the Duchess of Kent 1st Baronet1
- Conyngham, Henry, 1st Marquess Conyngham1
- Cook, George, Reverend Dr. of St Andrews Fife1
- Cook, Walter, Writer to the Signet1
- Cooke, Henry Frederick, Major-General KCH1
- Copley, John Singleton, 1st Baron Lyndhurst1
- Couper, George, 1st Baronet, Captain Comptroller of the Household of the Duchess of Kent1
- Courtenay, George Wiliam Conway, Captain; Consul in Haiti; Vice-Admiral 18611
- Cousinéry, Sextius, brother of E M Cousinéry, numismatist1
- Cowper, Charles Spencer, Secretary of Legation at Stockholm1
- Crampton, John Fiennes Twisleton, 2nd Baronet1
- Crichton-Stuart, John, Viscount Mountjoy, 6th Earl of Dumfries 1803, 2nd Marquis of Bute 18141
- Cunningham, John William, Vicar of Harrow1
- Czartoryski, Adam George, Prince, Polish statesman1
- Davy, Jane, society figure and wife of Sir Humphry Davy, 1780-18551
- Dean, Richard Betenson, civil servant and customs agent, 1772-18501
- Delane, John Thadeus, newspaper editor, 1817-18791