Name
- Charles George Augustus, Duke of Brunswick-Lüneburg-Wolfenbü...1
- Charles I, King of Württemberg1
- Charlet, Armand Théodore, Baron, formerly of the French Royal Household1
- Chassériau, Fréderic Victor Charles, of the French Ministry of Marine and Colonies1
- Chermside, Robert Alexander, KH; physician1
- Chernusov, Vasily1
- Cholmondeley, George James, 1st Marquess of Cholmondeley1
- Christie, James, the younger, antiquary and auctioneer1
- Cicognara, Leopold, Count1
- Clay, Henry, American Secretary of State1
- Cobenzl, Johann Ludwig Josef von, Count Imperial diplomatist1
- Cochrane, John Dundas, Captain, RN1
- Cockburn, George, 8th Baronet, naval officer, 1772-18531
- Conyngham, Elizabeth Henrietta, afterwards Gordon; 1st wife (1826) of Charles, 10th Marquess of Huntly1
- Conyngham, Elizabeth, wife of Henry, 1st Marquess Conyngham1
- Conyngham, Henry, 1st Marquess Conyngham1
- Cook, William, coachbuilder; of London1
- Cordoba, Antonio, Spanish diplomatist1
- Coster, Charles du, commission agent, of Naples1
- Couvreur van Maldeghem, L. J., Belgian representative in London1