- Labilliere, Francis Peter
- Lacaita, Charles Carmichael
- Lachlan, Harry Norman
- Lack, Albert Innocencio
- Ladbury, Frederick James
- Ladell, William Wykes
- Laidlay, Andrew
- Laidlay, William James
- Laing, Frederick Ninian Robert
- Laing, John George
- Laing, John Gerard
- Laing, Samuel
- Lake, Herbert John
- Lake, Reginald John
- Lamaison, William Engelbert
- Lamb, Andrew Simon
- Lamb, Joseph Chatto
- Lambert, Isaac Cowley
- Lambert, Percival Beevor
- Lambert, Stampa Waller
- Lambert, William
- Lambert, William Charles
- Lamplugh, George Edward
- Lamy, Joseph Lewis Arnold
- L'Amy, William Ramsay
- Lanauze, Charles Edward
- Lancaster, Robert
- Lane, Richard Ouseley Blake
- Lane, Sidney Leveson
- Lane, Wilmot
- Lang, Basil
- Lang, John Henry Graham
- Langdon, Augustin William
- Lange, Johannes Henricus
- Langford, William Thomas
- Langley, Albert Gordon
- Langley, Joel
- Langlois, François Ludovic Clement
- Langworthy, Edward Martin
- Langworthy, James William
- Lanigan, Stephen Charles Martin
- Lankester, Edward Forbes
- De Lapelin, François Claude Amable
- De Lapeÿre, Ange Edmond
- Larcom, Arthur
- Larnach, James Walker
- Lascelles, Arthur Rowley William
- Lascelles, Francis Henry
- Lascelles, George Edwin
- Lascelles, John (b.?)
- Lascelles, John (b.1841)
- Lascelles, Percy Pellew
- Lascelles, Rowley
- Latham, Francis Law
- Latham, George William
- Latham, Thomas
- Latham, William
- Lathbury, Daniel Conner
- Latimer, John Paddon
- Latter, Bertram Henry
- Laughton, George
- Laurence, Perceval Maitland
- Laurent, (Camille) Henri Octave
- Laurie, James Stuart
- Laurie, Lewis Kossuth
- Laurie, Reginald Peter Northall
- Lavalliere, Theodore
- Law, Archibald FitzGerald
- Law, Benjamin
- Law, Charles Woodin
- Law, Edmund Christian
- Law, Ernest Philip Alphonso
- Law, Francis Henry
- Law, George Still
- Law, Henry Spencer
- Law, Henry Towry
- Law, Michael
- Law, William Ogilvie
- Lawes, Henry Fricker
- Lawes, Robert Murray
- Lawford, Egerton Charles Baring
- Lawford, Lancelot Edward
- Lawless, Henry Hamilton
- Lawrance, George Woodford
- Lawrance, Hamilton Edward
- Lawrance, John Compton
- Lawrence, Alfred Tristram
- Lawrence, Arthur
- Lawrence, Arthur Moss
- Lawrence, Basil Edwin
- Lawrence, Edwin
- Lawrence, Frank Thomas
- Lawrence, George Patrick Charles
- Lawrence, Henry Waldemar
- Lawrence, Lord (John Hamilton Lawrence)
- Lawrence, Paul Ogden
- Lawrence, Philip Henry
- Lawrence, Thomas Northmore
- Lawrence, Walter Roper
- Lawrence, William Frederic
- Lawrie, Andrew Douglas
- Lawrie, Richard Henegan
- Lawson, Henry Graham
- Lawson, John Grant
- Lawson, William
- Lawson, William Edward
- Lawson, William Hastings
- Lawson, William Norton
- Laxton, Messing Thomas
- Laxton, William Frederick
- Lay, Horatio Nelson
- Layard, Charles Peter
- Layard, George Somes
- Laycock, Henry Stainton
- Layman, Edwin
- Layton, George Moffatt Rhys
- Lea, George
- Lea, George Harris
- Lea, James
- Leach, Andrew John
- Leach, Arthur Francis
- Leach, George Pemberton
- Leadam, Isaac Saunders
- Martin-Leake, Stephen
- Lean, Vincent Stuckey
- Leathley, William Henry
- Lechmere, William Lechmere
- Leek, David Calder
- Leclézio, (Hon.) Eugène Jules
- Ledgard, Frederick Thomas Durell
- Lee, Arthur Morier
- Lee, Frederick
- Lee, John Bridges
- Lee, Joseph Henry Warburton
- Lee, Lawford Yate
- Lee, Samuel
- Lee, Thomas Richard
- Lee, William John
- Leech, George Crampton
- Leech, William Ansdell
- Leeke, Samuel
- Leeming, Richard Brettargh
- Lees, James Arthur
- Lees, Thomas Orde Hastings
- Leese, Joseph Francis
- Leeson, Hubert Seymour
- Shaw-Lefevre, Rt. Hon. George John
- Lefroy, Alfred Henry
- Lefroy, Augustus Henry Frazer
- Lefroy, Clement George
- Lefroy, Francis Paul
- Lefroy, Henry George
- Lefroy, Thomas Edward Preston
- Lefroy, William Chambers
- Legall, Aristide
- Legge, Rev. Alfred Arthur Kaye
- Legge, Edward
- Lehmann, Rudolph Chambers
- Leigh, Cholmeley Austen
- Leigh, Hon. Edward Chandos
- Leigh, Henry
- Austen-Leigh, William
- Leighton, Stanley
- Leith, Edward Tyrrell
- Leith, John Farley
- Leith, William Ernest Gordon
- Leitner, Gottlieb William
- Lely, John Mountney
- Lemiere, Hippolyte
- Lemon, Frank Edward
- Lemon, William George
- Lempriere, Charles
- Lempriere, Reginald Raoul
- Barrett-Lennard, Thomas
- Lenthall, Francis Kyffin
- Leonard, Patrick Marcellinus
- Leonard, Samuel Henry
- Leresche, Gerard Sunderland
- Leresche, John Henry Proctor
- Waldegrave-Leslie, Hon. George
- Leslie, John
- Leslie, John William St. Lawrance
- Lester, Horace Francis
- Lethbridge, Roper
- Lethbridge, William
- Leupholt, John Cunningham
- Leversage, Peter
- Leverson, Benjamin James
- Levett, Ernest Laurence
- Levi, Leone
- Levy, Jonas
- Levy, Lewis
- Lewin, Frederick Albert
- Lewin, Wilfred Hale
- Lewis, Albert
- Lewis, Angelo John
- Lewis, Arthur Griffith Poyer
- Lewis, David
- Lewis, David Jones
- Lewis, Frederic Hyman
- Lewis, Frederick John
- Pitt-Lewis, George
- Lewis, James
- Lewis, John Curtois Adolphus
- Lewis, John Lennox Griffith Poyer
- Lewis, Neil Elliott
- Lewis, Samuel
- Lewis, Thomas Hanson
- Lewis, Thomas William
- Lewis, Walter Llewellyn
- Lewis, William Elliott
- Aston-Lewis, William Henry Denys
- Lewis, William Miller
- Ley, James Peard
- Ley, John Carrington
- Leycester, William
- Leys, John Kirkwood
- Lichtenstein, Moritz
- Liddell, Hon. Sir Adolphus Frederic Octavius
- Liddell, Adolphus George Charles
- Liddell, William
- Liddon, John
- Liebenrood, Fitzhardinge Robert Bayfield
- Lightfoot, Charles
- Lighton, Christopher Robert
- Lightwood, John Mason
- Lilley, Samuel
- Lilly, William Samuel
- Lincoln, Frederick George Docker
- Lindley, Nathaniel
- Lindon, Clement Hemery
- Lindsay, William Alexander
- Lindsell, Henry Martin
- Lindsell, William Harry Barber
- Lingen, John Taylor
- Lingen, Sir Ralph Robert Wheeler
- Lingham, Alfred Fraser
- Gladstone-Lingham, Edward Fraser
- Linklater, Frederick Harrie
- Linklater, John Edmund
- Lippitt, Alfred Joseph George
- Lipscomb, Lancelot Charles d'Auvergne
- Lipscomb, William Henry
- Lister, John
- Litchfield, Henry Charles
- Litchfield, Richard Buckley
- Lithiby, John
- Little, Edgar Hutchinson
- Little, George Greenway
- Little, James Brooke
- Little, Thomas Shepherd
- Little, William
- Littledale, Charles Richard
- Littler, Ralph Daniel Makinson
- Littleton, Nicholas John
- Littleton, Hon. William Francis
- De Livera, Gerald Frederick
- Livett, James John Willoughby
- Llewellin, John George
- Llewellin, William
- Lloyd, Arthur Brooke
- Lloyd, Arthur Morris
- Lloyd, Charles Corpe
- Lloyd, Charles Dalton Clifford
- Lloyd, Clement Elphinstone
- Evans-Lloyd, Edward
- Lloyd, Edward Honoratus
- Lloyd, Eyre
- Lloyd, Francis Montagu
- Lloyd, Horatio
- Lloyd, Howard Meuric
- Lloyd, John (b.?)
- Lloyd, John (b.1833)
- Lloyd, John Maurice Edward
- Lloyd, Joseph Skipp
- Lloyd, Morgan
- Lewis-Lloyd, Robert
- Lloyd, Thomas Edward
- Lluellyn, Raymond Maude
- Loader, John
- Loch, William Adam
- Lock, Benjamin Fossett
- Locke, John Henry
- Locke, Samuel Archibald
- Lockhart, James
- Lockwood, Frank
- Locock, Sir Charles Brodie, Bart.
- Lodge, John William
- Lodge, Oliver
- Loehnis, Herman William
- Lofft, Capel
- Lofthouse, Samuel Hill Smith
- Logan, Charles
- Logan, Daniel
- Logan, Francis
- Logan, Robert Henry
- Lomax, Charles Henry
- Lomax, Thomas
- Long, Arthur Heathcote Montagu
- Long, George
- Long, William Alexander
- Longe, Francis Davy
- Longley, Henry
- Longstaffe, Amyas Philip
- Lonsdale, Arthur Pemberton
- Lonsdale, James John
- Lonsdale, John Henry
- Lonsdale, William
- Lopes, (Hon.) Sir Henry Charles
- Lopes, Ralph Kekewich
- Lopes, Ralph Ludlow
- Lord, Henry William
- Lord, James
- Lord, William Salterley
- Loudon, Willoughby John Guthrie
- Loughborough, Arthur
- Louis, Alfred Hyman
- Louis, Julien Adrien Hilaire
- Lousada, Austin Percy
- Loveland, Richard Loveland
- Lovesy, Conway Whithorne
- Lowder, John Frederic
- Lowe, Charles James Blackburn
- Lowe, Frederick James
- Lowe, James Walter
- Lowis, John
- Lowndes, John James
- Lowndes, William
- Lowndes, William Layton
- Lowrey, Francis
- Lowther, Rt. Hon. James
- Lowther, James William
- Loxdale, James
- Loxdale, John Watson
- Loyd, Archie Kirkman
- Lucas, Edwin
- Lucas, Francis
- Lucas, Henry
- Lucas, Hubert Henry
- Luck, Everard Thomas
- Luck, Richard
- Ludgater, James
- Ludlow, Henry
- Ludlow, John Malcolm Forbes
- Luke, Frederick George
- Lukin, Robert Henry
- Lumb, Charles Frederick
- Lumb, James
- Lumley, Edmund
- Lush, Alfred Herbert
- Lush, Charles Montague
- Lushington, Franklin
- Lushington, Godfrey
- Lushington, Sydney George
- Lushington, Vernon
- Lushington, William Bryan
- Lutwidge, Charles Robert Fletcher
- Luxford, John Stewart Odiarne Robertson
- Lyall, Roger Campbell
- Powys-Lybbe, Philip Lybbe
- Lydekker, John
- Lyell, David
- Lynch, Edward Frederic Nicholas
- Lynch, Henry Mark
- Lynch, James
- Lynch, James Challenor
- Lynch, Michael Placid (or Pallas)
- Lynch, Stephen
- Lyne, De Castro Fisher
- Lynn, Henry
- Lyon, Alfred Owen
- Lyon, George Edward
- Lyons, George Joseph
- Lysley, Warine Bayley Marshall
- Lysley, William Gerard
- Lyttelton, Hon. Alfred