Name
- Cameron, Alexander, R C Vicar-Apostolic of the Lowlands1
- Campbell, Archibald, Knight, colonial governor, Major-General, 1739-17911
- Campbell, John, of Cawdor; MP, d 17771
- Caulfeild, James, 1st Earl of Charlemont1
- Cavendish, George Augustus Henry, 1st Earl of Burlington1
- Chapman, Charles, of Add MS 475691
- Chaptal, Jean Antoine, Comte de Chanteloup, French Minister of the Interior1
- Charles IV, of Spain1
- Cholmondeley, George James, 1st Marquess of Cholmondeley1
- Clerk, Robert, General1
- Cocker, John Robert, attorney1
- Coldham, George, Town Clerk of Nottingham1
- Colebrooke, George, 2nd Baronet, banker, chairman of the East India Company, 1729-18091
- Collingwood, Cuthbert, 1st Baron Collingwood, naval officer, 1748-18101
- Conway, Henry Seymour, Field-Marshal1
- Cornwallis, Charles, 1st Marquess Cornwallis, army officer and politician, 1738-18051
- Corry, Isaac, Chancellor of the Exchequer, Ireland1
- Cuninghame, Robert, 1st Baron Rossmore, Commander-in-Chief in Ireland1
- Czartoryski, Adam George, Prince, Polish statesman1
- Danvers, Frederick Dawes, Clerk of the Council of the Duchy of Lancaster, 1795-18671