Name
- Loring, John Wentworth, Admiral KCH1
- Lowry-Corry, Henry Thomas, PC, of the Admiralty1
- Loyd, Samuel Jones, Baron Overstone1
- Lubbock, John William, 3rd Baronet1
- Luke, James, of the Admiralty1
- Lumsdale, Alexander, Master Attendant Plymouth Dockyard1
- Lushington, Stephen, Admiral GCB1
- Lyons, Edmund Moubray, Captain RN1
- Lyons, Richard Bickerton Pemell, 2nd Baron Lyons, Viscount Lyons 18871
- Lytton, Edward Robert, 1st Earl of Lytton, diplomat, politician, and poet, 1831-18911
- Macgregor, Donald R, merchant of Leith1
- Macnaghten, Elliot, director East India Co1
- Macrae, David Cato, barrister1
- Macy, Ernest Augustus, Captain RM1
- Maitland, Thomas, 11th Earl of Lauderdale1
- Mann, Adrian Thomas, Commander1
- Marryat, Frederick, Captain RN, novelist1
- Martin, Theodore, KCB Parliamentary agent and translator1
- Martin, Thomas, Admiral1
- Mason, John Charles, of East India Co1