Name
- Cheynduit, Family1
- Childers, Hugh Culling Eardley, politician, 1827-18961
- Christian, Hugh Clonberry, Rear-Admiral1
- Church, Richard, Knight, army officer and philhellene, 1784-18731
- Clifford, Sir Augustus William James, 1st Baronet, Rear-Admiral1
- Clifford, William John Cavendish, Captain; RN1
- Cochran, William, of Add MS 414081
- Cochrane, Thomas John, Vice-Admiral; Commander-in-chief, Portsmouth; Admiral 18561
- Cockburn, George, 8th Baronet, naval officer, 1772-18531
- Cockburn, James, 9th Baronet1
- Codd, Edward, Captain; RN; Admiral 18781
- Codrington, Edward, Admiral GCB1
- Codrington, Henry John, Admiral KCB1
- Codrington, William John, General KCB1
- Coles, Cowper Phipps, Captain RN1
- Collin, E.1
- Collinson, Tathwell Benjamin, Lieutenant; RN1
- Colomb, Philip Howard, naval officer, 1831-18991
- Colpoys, John, Admiral; Lord of the Admiralty1
- Coode, John, Knight 1872; civil engineer1