Name
- Carey, George, 2nd Baron Hunsdon, diplomat, politician, and courtier, 1548-16031
- Carne, Edward, DCL, diplomatist1
- Caron, Noel, Knight, diplomat, 1550-16241
- Carvajal y Sande, Bernadino López de, cardinal, 1456-15231
- Casali, Gregorio, English Ambassador at Rome, c 1500-15361
- Castelnau, Jacques, Seigneur de Mauvissière, Baron de Joinville1
- Castelnau, Michel de, Sieur de Mauvissière, French envoy to England1
- Cecil, Robert, Viscount Cranborne, 1st Earl of Salisbury, 1563-16121
- Charles III, Duke and Constable of Bourbon, 1490-15271
- Charles IX, King of France, 1550-15741
- Clement VIII, Pope1
- Clerke, Bartholomew, civil lawyer, 1537-1590, http://isni.org/isni/000000...1
- Clifford, George, 3rd Earl of Cumberland1
- Clifford, Henry, 1st Earl of Cumberland1
- Coleman, Christopher, Augustinian friar, early Cambridge reformer during the reign of Henry VIII, 16th century1
- Colville, James, 1st Lord Colville of Culross, 1551-16291
- Colville, John, conspirator and Church of Scotland minister, 1542?-16051
- Conway, John, Knight, writer and soldier, 1535-16031
- Cranmer, Thomas, Archbishop of Canterbury, 1489-1556, http://isni.org/isni/000000... http://viaf.org/viaf/24857071
- Croft, James, Knight, politician, Lord Deputy of Ireland, and Controller of the Royal Household, 1518-15901