Name
- Coote, Charles, of Add MS 158571
- Corporation of Trinity House, corporation for seafarers, 1514-1
- Coryton, John1
- Cottereau1
- Coventry, William, of Add MS 158571
- Craven, John, Lord Craven of Ryton1
- Cressett, James, of Add MS 158571
- Crewe, Ranulph1
- Croix, François Seran de la1
- Cromwell, Oliver, Lord Protector of England, Scotland and Ireland, 1599-1658, http://isni.org/isni/000000...1
- Cröy, Ernest B., Duc de1
- Cullum, Dudley, 3rd Baronet1
- Curtius, William, of Add MS 158561
- Devereux, Walter, correspondent of William Sands, fl 16361
- Digby, John, 1st Earl of Bristol, diplomat, 1580-16531
- Digby, Kenelm, Knight, natural philosopher, diplomat and courtier, 1603-16651
- Dodsworth, John, of Yorkshire, signatory of a document calling for a meeting to preserve peace, fl 16241
- Dolin, John, correspondent of Captain Henry Fuller, fl 16541
- Dumaresq, Philip, Sieur de Samares, naval officer and landowner, c 1650-16901
- Dummer, Edmund, naval engineer and ship builder, 1651-17131