Name
- Cary, Lucius, 2nd Viscount Falkland, author and politician, c 1610-16431
- Catinat, Nicolas, Marshal of France1
- Cavendish, William, Baron Ogle, Earl, Marquis, and 1st Duke of Newcastle1
- Champante, John, Deputy Treasurer of Ireland1
- Chantrell, Francis, Colonel1
- Chaplin, John1
- Charles I, King of England, Scotland and Ireland, 1600-16491
- Charles II, King of England, Scotland and Ireland, 1630-16851
- Charlotta Sophia, Abbess of Hervorden, in Westphalia, daughter of James, Duke of Courland1
- Chudleigh, Thomas, of Add MS 288751
- Circle of Franconia1
- Cocks, John, servant to His Majesty's Council Chamber1
- Coghlan, Joseph, Attorney-General in Ireland1
- Colbert, Charles, Marquis de Croissy, 1625-16961
- Cologne, Archbishops Electors of. Joseph Clement, Duke of Bavaria1
- Colt, Thomas, Captain1
- Coningsby, Thomas, 1st Earl of Coningsby1
- Consuls1
- Coronelli, Vincenzo Maria, cosmographer1
- Courten, William, of Add MS 289371