Name
- Leach, John, of Add MS 331091
- Leaf, John1
- Legge, H-, of Add MS 331121
- Lenoir, Alexandre1
- Leslie, Edward, Baronet, of Tarbert1
- Leslie, George William, Lord Leslie, afterwards 11th Earl of Rothes1
- Leslie, Henrietta Anne, daughter of George William, 11th Earl of Rotheg, afterwards Countess of Rothes1
- Lewis, George, Colonel1
- Liancourt de)1
- Lill, C-, Mrs1
- Lindsay, Alexander, 6th Earl of Balcarres1
- Lindsay, and Rev. Charles Dalrymple, Private Secretary to the Lord Lieutenant of Ireland1
- Lockhart, William, Major; of Add MS 331031
- Longfield, Richard, Viscount Longueville1
- Looker, John1
- Louis-Philippe, of France1
- Lullin, Charles, Alien Office1
- Lushington, Stephen Rumbold, Secretary to the Treasury and (1827) Governor of Madras1
- Lyman, Daniel, Captain1
- Mac Donnell, Charles, Colonel; MP1