Name
- Langdale, Charles, formerly Stourton1
- Laurie, John, Sheriff of London1
- Lear, Francis, Archdeacon of Salisbury1
- Leechman, Mrs, Anne Jane, of Strabane1
- Leitch, John, archaeologist1
- Lethbridge, Thomas Buckler, 2nd Baronet 18151
- Lieven, Dorothea Christophorovna, Princess wife of Prince Lieven1
- Listor, Thomas St. George, Captain1
- Loch, James, MP; economist1
- Lockhart, William, MP; of Add MS 405261
- Longley, Charles Thomas, Archbishop of Canterbury, 1794-18681
- Lonsdale, John, Bishop of Lichfield; of Add MS 405341
- Lowry-Corry, Henry Thomas, PC, of the Admiralty1
- Lushington, Stephen Rumbold, Secretary to the Treasury and (1827) Governor of Madras1
- Lyttelton, George William, 4th Baron Lyttelton1
- MacGregor, Alexander, Reverend; of Kilmuir, Skye1
- Mahon, William Vesey Ross, 4th Baronet 1852, Rector of Rawmarsh1
- Mallet, Robert, President, Dublin Geological Society1
- McCulloch (con tinued), John Ramsay1
- McGeachy, Edward, Crown Surveyor of Jamaica1