Name
- La Rivière, Henry1
- Lagerbielke, Gustaf, Baron, Swedish diplomatist1
- Lazanzky, Count1
- Leake, John Martin, Chester Herald1
- Leake, William Martin, topographer1
- Leckie, Gould Francis, historian1
- Lee, Richard, merchant, of London; of Add MS 484151
- Legge, Edward, Bishop of Oxford, 1767-18271
- Legge, George, 3rd Earl of Dartmouth, 1755-18101
- Leigh, George, Lieutenant-Colonel; 10th Dragoons; husband of Augusta Byron1
- Lennox, Caroline, née Paget; wife of Charles, Earl of March and (1819) 5th Duke of Richmond and Lennox1
- Lennox, Charles, 4th Duke of Richmond and Lennox1
- Liston, Robert, GCB; diplomatist1
- Locke, Cecilia Margaret, alias Lock; wife of Charles Locke alias Lock, Consul at Naples1
- Locke, Charles, alias Lock; Consul at Naples1
- Long, Charles, Baron Farnborough, 1761-18381
- Loraine-Smith, Charles, MP1
- Louis XVIII, of France1
- Lowe, William, attorney1
- Lowry, James, Lieutenant; RN1