Name
- Napier, Charles, Admiral KCB1
- Newman, Charles T.1
- Nicholas I, of Russia1
- Nicolas, John Toup, Captain; CB; Rear-Admiral 18501
- Nott, John Neale Pleydell, Captain; RN1
- O'Bryen, Edward, Captain; afterwards Admiral1
- Osborn, John, 5th Baronet 1818, Lord Commissioner of the Admiralty1
- Oswald, James, MP1
- Parry, William Edward, Admiral Arctic explorer1
- Pasley, Thomas Sabine, 2nd Baronet, Admiral1
- Paulet, Henry, KCB 18151
- Peart, John Hobbs, Staff Surgeon at Poona1
- Pelham-Clinton, Henry Pelham, 5th Duke of Newcastle1
- Pellew, Cdr. Pownoll William, RN; of Add MS 414091
- Pellew, Cdr. Pownoll William, RN; of Add MS 414111
- Pellew, Edward, 1st Viscount Exmouth1
- Penn, Granville, of Add MS 413691
- Penn, Richard, of Add MS 413671
- Pennell, Charles Henry, of the Admiralty1
- Percy, Algernon, Baron Prudhoe, 4th Duke of Northumberland1