Name
- Caine, William Sproston, MP1
- Campana, Marchesa di Cavelli1
- Candlish, John, MP1
- Candolle, Alphonse, botanist1
- Carmichael, James Morse, 3rd Baronet1
- Cartwright, James Joel, of the Public Record Office1
- Casswell, Robert, barrister1
- Casteler y Ripoll, Emilio, Spanish statesman1
- Catalani, Tommaso, Italian Chargé d'affaires in London1
- Cavendish, Spencer Compton, 8th Duke of Devonshire, politician, 1833-19081
- Cecil, Robert Arthur Talbot, 3rd Marquess of Salisbury, statesman, 1830-19031
- Charteris, Francis Richard, formerly Wemyss-Charteris-Douglas Lord Elcho, 8th Earl of Wemyss1
- Chasles, Victor Euphémion Philarète, author1
- Chesney, George Tomkyns, Knight, army officer and author, 1830-18951
- Chevalier, Michel, French economist1
- Clemens, Samuel Langhorne, alias 'Mark Twain', author, 1835-19101
- Cockburn, Alexander James Edmund, 12th Baronet, Lord Chief Justice1
- Collins, Robert Hawthorn, KCB1
- Colomb, Philip Howard, naval officer, 1831-18991
- Compton, William George Spencer Scott, 5th Marquess of Northampton1