Name
- Cortes de Madariaga, José, Don1
- Coutts, Thomas, banker, 1735-18221
- Cowper, Charles, attorney1
- Cowper, Henry, attorney1
- Cracroft, William, Chief Clerk of the Exchequer Bill Office1
- Craufurd, Charles Gregan, Knight, army officer and politician, 1761-18211
- Craufurd, James, 2nd Baronet, né Craufurd, landowner, 1761-18391
- Craufurd, Quintin, 1st Baronet, author, brother of Sir A Craufurd1
- Craufurd, Robert, Major-General1
- Craufurd, Thomas, agent to Lord Grenville1
- Cunningham, William, political writer of Enterkine1
- Davy, Humphry, 1st Baronet, of Grosvenor Street, natural philosopher, 1778-18291
- Derby, William, painter, 1786-18471
- Dillon, Joseph John, writer on Irish affairs, fl 1801-18201
- Dobson, Edward, attorney and correspondent of William Wyndham Grenville, fl 1816-18271
- Drummond, William, diplomat, fl 1801-18111
- Duff, James, 2nd Earl Fife, landowner, 1729-18091
- Dunk, George, 2nd Earl of Halifax, né Montagu, politician and statesman, 1716-17711
- East India Company, 1600-18581
- Eden, Morton Frederick, 1st Baron Henley1