Name
- Collier, Edward, Captain; RN; KCB 18651
- Collins, Thomas, Boatswain, RN1
- Connellan, Corry, Secretary to the Lord Lieutenant of Ireland1
- Courcy, Michael, naval officer, d 18241
- Cowell, John Longlands, agent for Lloyds at Gibraltar1
- Crawford, Richard Borough, Commander; RN1
- Cresswell, Edmund, postmaster at Gibraltar1
- Davidson, John, surgeon and Inspector-General of the Royal Navy, d 18811
- Davies, John, of Portsmouth, victualler, fl 1848-18541
- Dickson, Walter, naval surgeon and correspondent of Admiral Charles Napier, fl 18481
- Digby, George Stephen, marine officer, ?1822-18771
- Dingley, Joseph, naval officer and correspondent of Sir Sydney Colpoys Dacres, fl 18481
- Dixon, Manley Hall, naval officer, 1786-18641
- Douglas, Richard, naval surgeon, fl 18481
- Dundas, Richard Saunders, Knight, naval officer, 1802-18611
- Dundas, Robert, 4th Viscount Melville, landowner and Storekeeper-General of the Navy, 1803-18861
- Dunlop, Hugh, Knight, formerly Wallace-Dunlop, naval officer, 1806-18871
- Dusautoy, Peter John James, marine officer, 1791-18651
- Dyne, William Mortimer, naval chaplain, fl 1847-18521
- Eden, Thomas Rodney, naval officer, 1812-18501