- L'Estoile, Pierre de
- L'Greulier → Lullier, Charles Ernest
- L'heulier → Lullier, Charles Ernest
- L'vov, Semen Ivanovič
- L.
- L. R. de Fellenberg → Fellenberg, Ludwig Rudolf von
- La Bella
- La Bergerie, Jean-Baptiste Rougier de
- La Bernardière
- La Bourdonnais, Bertrand François Mahé de
- La Boëtie, Etienne de
- La Bruyère, Jean de
- La Cecilia, Giovanni
- La Cecilia, Marie
- La Cécilia → La Cecilia, Napoleone
- La Cecilia, Napoleone
- La Cecilia, Vindex
- La Chavanne → Dareste de la Chavanne, Antoine Elisabeth Cléophas
- La Châtre, Maurice
- La Farina, Giuseppe
- La Fayette, marquis, Marie Joseph Paul Roch Yves Gilbert Motier de
- La Ferronnays, Auguste Pierre Marie Ferron, comte de
- La Fontaine, Jean de
- La Force, duc, Armand Nompar de Caumont de
- La Forest, comte, Antoine René Charles Mathurin de
- La Forge, Anatole de
- La Grange
- La Guéronnière, vicomte, Louis Étienne Arthur Dubreuil-Hélion de
- La Harpe, Jean-François de
- La Malinche → Marina
- La Marmora, Alfonso Ferrero di
- La Martinière, Antoine Augustin Bruzen de
- La Motterouge, Joseph Édouard de
- La Poix de Fréminville, Edme de
- La Renodière, Ritter von Kriegsfeld, Ferdinand de
- La Roche, Karl Du Jarrys von
- La Rochefoucauld, prince de Marsillac, François de
- La Roncière Le Noury, Camille Adalbert Marie Clément de
- La Sagra, Ramon de
- La Torre, Carlos
- La Torre, de
- La Touche, James Digges
- La Tour-du-Pin Gouvernet, Frédéric Séraphin de
- La Valette, Charles Jean Marie Félix de
- Labadie
- Labarre, Louis
- Labillière → Labilliere, Francis Peter
- Labilliere, Francis Peter
- Laborda, Pio
- Laborde, Alexandre de
- Laborde, marquis, Alexandre Louis Joseph de
- Labouchere, 1st Baron Taunton, Henry
- Laboulaye, Édouard René Lefebvre de
- Labourdonnais → La Bourdonnais, Bertrand François Mahé de
- Labriola, Alberto Francesco Felice
- Labriola, Antonio
- Lacambre, Cyrill
- Lachmann, Karl Konrad Friedrich Wilhelm
- Lachouille → Vaillant, Marie Anne Cécile Ambroisine
- Lachâtre → La Châtre, Maurice
- Lacombe, François
- Lacova
- Lacretelle, Charles Nicolas
- Lacretelle, Jean-Charles-Dominique de
- Lacroix, Albert
- Lacroix, Frédéric Guillaume
- Lacroix, Sigismond
- Lacroix, Sylvestre-François
- Lacy, Luis de
- Ladenberg, Adalbert von
- Ladendorf, August
- Ladendorff → Ladendorf, August
- Ladmirault, Paul de
- Ladon
- Ladrón de Cegama, Santos
- Lady Mordaunt → Mordaunt, Harriet Sarah
- Laeghaire
- Läis, Ernest Dominik
- Laertes
- Lafaivre → Lefaivre, Albert
- Lafargue, Ana Virginia
- Lafargue, Charles Étienne
- Lafargue, François
- Lafargue, Gustave
- Lafargue, Jeanne
- Lafargue, Laura
- Lafargue, Marc-Laurent
- Lafargue, Paul
- Lafargue (Tante)
- Laffitte, Pierre
- Lafitau, Joseph-François
- Lafitte, Jacques
- Lafont
- Lafont, Pierre-Chérie
- Lagarde
- Lagauche
- Lagrange, comte de l'Empire, Joseph Louis de
- Lagrené, Théodose de
- Laguna, Gregorio
- Lahure, Alexis
- Lahure, Charles
- Lahure, Louis Justin
- Laing, John
- Laing, Samuel
- Laing, Samuel
- Laing, Seton
- Laird, John
- Lais
- Laity, Armand François Ruperch
- Lake, George
- Lake, Sir Henry Atwell
- Lake, 1st Viscount Lake, Gerard
- Lakhuji Jadhav Rao
- Lakshmi Bai
- Lalande, Julien Pierre Anne
- Lall Singh
- Lally → Lally-Tollendal, Thomas Arthur de
- Lally-Tollendal, Thomas Arthur de
- Lalor, John
- Lalor, Thomas
- Laloš (Лалошъ), Al. A.
- Lalourcey, Octave Charles
- Lama, Domenico
- Lamarck, Jean-Baptiste de Monet de
- Lamartine, Alphonse Marie Louis Prat de
- Lamb
- Lamb → Palmerston, Emily, Countess Couper, Viscountess
- Lamb [Bruder], Edward Augustus
- Lamb [Sohn]
- Lamb, 1st Baron Beauvale, 3rd Viscount Melbourne, Frederick James
- Lamb, 2nd Viscount Melbourne, William
- Lambert, John
- Lambert (Ламберт), Karl Karlovič
- Lamberty, Guillaume de
- Lambon
- Lambord
- Lambton, 1st Earl of Durham, John George
- Lamennais, Félicité Robert de
- Lamennais, Félicité de
- Lammers
- Lamont, E. H.
- Lamoricière, Ch.-L.-L. J. de
- Lamoricière, Christophe Louis Léon Juchault de
- Lamourette, Adrien
- Lampe, Friedrich
- Lampertico, Fedele
- Lance, T. E.
- Lancelot
- Lancizolle, Carl Wilhelm von
- Landa, Diego de
- Landaburu, Mamerto
- Landé, Hugo
- Landeck, Bernard
- Landero, José
- Landolphe, Pierre François
- Landolt → Liebknecht, Ernestine
- Landolt, Franz
- Landor, R.
- Landor, Walter Savage
- Landowski, Jean-Louis-Célestin-Joseph
- Landrine, Emile
- Landsberg, Wilhelm
- Lane, Edward William
- Lane Fox, Augustus Henry
- Laneau
- Lang, Gideon S.
- Lang, John
- Lang, John Dunmore
- Lang, Julius
- Lang, Karl Heinrich von
- Lange, Christian Konrad Ludwig
- Lange, Friedrich Albert
- Lange, I.
- Lange, Joachim
- Lange, Johann Peter
- Lange, W. L.
- Langenau, Ferdinand von
- Langerhans, Paul
- Langethal, Christian Eduard
- Langewiesche, Wilhelm
- Langford, John Alfred
- Langiewicz, Marian
- Langley, John Baxter
- Langlois, Amédée Jérôme
- Langton, W.
- Languet, Hubert
- Lanquet, Ch.
- Lanskoj (Ланской), Sergej Stepanovič
- Lanville
- Lanza, Giovanni
- Lanzon, Guillermo
- Lapatine → Lopatin (Лопатин), German Aleksandrovič
- Lapeyssonnie, Joseph-Fulcrand-Léon
- Lapeña
- Lapinski, Teofil
- Laplace, Carlo
- Laplace, Pierre Simon de
- Laporte, E.
- Laporte, Wilhelm
- Larcom, 1st Baronet, Sir Thomas Aiskew
- Lardaux, François-David
- Lardizábal y Uribe, Miguel
- Lardner, Dionysius
- Largan
- Larkin, Michael
- Larocque, Jean
- Larrazabal, Antonio
- Larrea y Tablares, Juan Bautista de
- Larrey, baron, Félix Hippolyte
- Larrocha
- Larroque, Charles (genannt Édouard)
- Lartet, Louis
- Las Casas, Bartolomé de
- Las Cases, Emmanuel Augustin Dieudonné de
- Lasauca, Antonio
- Lasaulx, Ernst von
- Laserna, José de
- Lasker, Eduard
- Lassal → Lassalle, Ferdinand
- Lassal, Heyman
- Lassal, Rosalie
- Lassalle, Ferdinand
- Lassassie, F. de
- Lasteyrie du Saillant, Ferdinand Charles Léon de
- Latapie (Lattapy), Émile Raymond
- Latas Mihajlo
- Lateranus Lucius Sextius
- Latham, Baldwin
- Latham, Robert Gordon
- Latham, Robert Marsden
- Latilly, Pierre de
- Latour, Theodor Graf Baillet von
- Latour-Maubourg, Armand Charles Septime de Fay de
- Latraque → Larroque, Charles (genannt Édouard)
- Latre, Manuel de
- Latruffe-Montmeylian, Nicolas
- Latt, Hans
- Latt-Felsberg, Anni
- Lattapy → Latapie (Lattapy), Émile Raymond
- Lattes, Elia
- Lattorff, Arthur von
- Lau, Thaddaeus
- Laudon, Gideon Ernst von
- Laugier, Marc Antoine
- Laugrand, Prosper
- Launcelot → Lancelot
- Launoy, A.
- Laure → Marx, Laura
- Laurent → Lafargue, Laura
- Laurent → Talandier, Madeleine Eugénie
- Laurent, Auguste
- Laurent → Lafargue, Paul
- Laurie → Grousset, Paschal
- Laurie, William Charles
- Laurie, William Ferguson Beatson
- Laurier, Clément
- Laurin, Anton von
- Lausezabel → Zabel, Friedrich
- Lauterbach
- Laval-Montmorency → Montmorency-Laval, Anne Pierre Adrien de
- Lavallée, Gaetan
- Lavallée, Théophile
- Laveaux, Jean Charles Thiébault de
- Laveleye, Émile Louis Victor de
- Lavelle, Patrick
- Laven, W.
- Lavenay, Victor Hippolyte Mathieu de
- Lavergne, Léonce Guilhaud de
- Lavertujon, André
- Lavigne, Raymond
- Lavison, Édouard
- Lavisse, Ernest
- Lavoisier, Antoine Laurent de
- Lavrov (Лавров), Petr Lavrovič
- Lavrov (Лавров), Vukol Michajlovič
- Lavy, Jean Baptiste Aiméa
- Law, Edward
- Law, Harriet Teresa
- Law, Thomas
- Law (eigtl. Levi), barone de Lauriston, John
- Law, 1st Baron Ellenborough, Edward
- Law, 1st Earl of Ellenborough, Edward
- Lawes, 1st Baronet, Sir John Bennet
- Lawley, Francis Charles
- Lawrence → Robinson, Sarah Tappan Doolittle
- Lawrence, Abbott
- Lawrence, Amos
- Lawrence, George St Patrick
- Lawrence, Henry Montgomery
- Lawrence, Mathew
- Lawrence, Stringer
- Lawrence, 1. Baron Lawrence, John
- Lax, J.
- Layard, Sir Austen Henry
- Laybourne, Richard
- Lazarev, Michail Petrovič
- Lazarillo de Tormes
- Lazarus
- Lazzazaro, Guglielmo
- Le Brun, Charles
- Le Chevalier, Lucien
- Le Dieu, Louis Francois Joseph
- Le Docte, Maximilien
- Le Doré, Constant Eugène
- Le Flô, Adolphe E. Charles
- Le Hardy de Beaulieu, Jean Charles Marie Joseph
- Le Lièvre, Charles Auguste
- Le Lubez, Victor
- Le Maître, Frédéric
- Le Mel → Lemel, Nathalie
- Le Merchant
- Le Moussu, Benjamin Constant
- Le Petit → Blanqui, Auguste
- Le Play, Frédéric
- Le Roux, Yvan
- Le Sueur, Eustache
- Le Sueur; in erster Ehe: Métivier → Harney, Marie
- Le Trosne, Guillaume François
- Le Verd, Raoul
- Le Verdet
- Lea
- Leach, James
- Leadam, Isaac Saunders
- Leader, John Temple
- Leah
- Leale, Andreas
- Leatham, William
- Lébègue
- Leber, Jean Michel Constant
- Leblanc, Albert Marie Félix
- Leblanc, F. D.
- Lebond, D.
- Lebrun, Barthélémy Louis Joseph
- Lebœuf, Edmond
- Lecapé, Charles
- Lecky, William Edward Hartpole
- Leclaire, L.
- Leclerc
- Lecolazet, Alf
- Lecomte, C. M.
- Leconte → La Châtre, Maurice
- Leconte siehe La Châtre, Maurice
- Lecoq de Boisbaudran, Paul Émile
- Ledger, Frederic
- Ledru-Rollin (Ledru), Alexandre Auguste
- Ledrux, Louis
- Leduc, Pierre-Étienne Denis
- Ledwich, Edward
- Lee
- Lee, James
- Lee, James
- Lee, Nathaniel
- Lee, Robert Edward
- Lee, Sarah
- Leeden, Karl van der
- Leeds, Robert
- Leeman, George
- Lefaivre, Albert
- Lefebvre, Armand Édouard
- Lefebvre, Paul
- Lefebvre, Émile
- Lefebvre, duc de Dantzig, François Joseph
- Lefebvre-Roncier, Paul
- Lefeuvre, Louis
- Lefeuvre de Leipsic → Martínez, Manuel
- Lefort, Henri
- Lefrançais, Gustave
- Lefrançois → Lefrançais, Gustave
- Lefrançois, Édouard
- Legentil, Charles Francois
- Léger
- Legge, James
- Legli
- Legoix
- Legreulier → Lullier, Charles Ernest
- Lehmann → Wilhelm I.
- Lehmann, Karl Gotthelf
- Lehna, Hermann
- Lehnchen → Schily, Maria Magdalena
- Lehr, Julius
- Leibfried, Wilhelm
- Leibniz, Gottfried Wilhelm
- Leicester, Thomas Coke, 2nd Earl of
- Leip
- Leipold → Leipoldt, Agnes
- Leipold → Leipoldt, Karl Emil August
- Leipoldt, Agnes
- Leipoldt, Carl August
- Leipoldt, Carl Wilhelm
- Leipoldt, Friedrich Wilhelm
- Leipoldt, Hermann
- Leipoldt, Karl Emil August
- Leite, Arsenio Pinto
- Leithold, G. F. L.
- Leiva, Antonio de
- Leks, Ivan Michajlovič
- Leland, Charles Godfrey
- Leland, Thomas
- Lelewel, Joachim
- Lemaitre, A. L. P.
- Lemel, Nathalie
- Lemmel → Lemel, Nathalie
- Lemoine, E.
- Lemontey, Pierre Edouard
- Lempfert, G.
- Lenck
- Leneveux, Henri-Charles
- Lengnich, Gottfried
- Lennox, 3rd Duke of Richmond and Lennox, Charles
- Lennox, 5th Duke of Richmond, Charles
- Leno, John Bedford
- Lenskij
- Lenthall, William
- Lenz, Heinrich Friedrich Emil von
- Léo → Champseix, Léodile
- Leo, Heinrich
- Léonard
- Leonhardt, Gerhard Adolf Wilhelm
- Leoni, Gabriel
- Leoni, Siegmund
- Leoni, Simon
- Leonidas
- Leon III., der Syrer
- Léopold → Leopold von Sachsen-Coburg
- Léopold II
- Leopold II. (Toskana)
- Leopold Joseph
- Leopold von Sachsen-Coburg
- Leopold I.
- Leopold II.
- Léopold Ier
- Leo III.
- Leo IX.
- Leo X.
- Leo XI.
- Lepage, Auguste
- Lepelletier, François
- Lépine, Jules
- Leporello
- Lepourque, Walthère
- Leppoc, Henry Julius
- Lepsius, Karl Richard
- Lera, Juan de
- Lerma, marqués de Denia, Francisco Gómez de Sandoval de
- Leroux, Jules
- Leroux, Louis
- Leroux, Pierre
- Leroux, Pierre
- Leroy → Roy, Joseph
- Leroy de Saint-Arnaud, Arnaud Jacques
- Leroy-Beaulieu, Anatole
- Leroy-Beaulieu, Paul
- Lerycke, Henri
- Lerín, Simón Santos
- Leske, Carl Friedrich Julius
- Leslie, Thomas Edward Cliffe
- Lesnickij, Grigorij Sofon'evič
- Lesseps, Ferdinand de
- Lessing, Gotthold Ephraim
- Lessner → Leßner, Friedrich
- Lesur, Charles Louis
- Leszczynski, Stanislaw
- Letheby, Henry
- Létoquart
- Letourneau, Charles Jean Marie
- Letourneux, Aristide
- Lette, Wilhelm Adolph
- Leu, L.
- Leucadio Doblado → White, Joseph Blanco
- Leuchs, Erhard Friedrich
- Leucht, Christian Leonhard
- Leuckert
- Leupold, Heinrich
- Leutbert
- Levachoff → Levašova, Ol’ga S.
- Levaillant, Charles
- Levaillant, Jean → Levaillant, Charles
- Levašova, Ol’ga S.
- Levasseur, Emile
- Levasseur, René
- Lever, Charles James
- Leverdays, Émile
- Leverson, Montague
- Leveson-Gower, 1st Earl Granville, Granville
- Leveson-Gower, 2nd Earl Granville, Granville George
- Leveson-Gower, 3rd Duke of Sutherland, Georg Granville William
- Levi, Leone
- Leviathan
- Levidi, Euphim
- Levièle, E.
- Levièlle → Levièle, E.
- Levien, Douglas Alexander
- Levinstein, Michael
- Levita
- Levraud, Adam-Léonce
- Levšin → Platon (Moskau)
- Levuckij, Fedor Grigor’evic
- Levy → Markheim, Bertha
- Levy, Amalie
- Levy, Gustav
- Levy, Joseph Moses
- Levy, Simon Gumbert
- Levy, (seit 1903) 1st Baron Burnham, Sir Edward
- Levy; 1855 Namensänderung zu Julius Levin Rodenberg → Rodenberg, Julius
- Lewald, Dagobert
- Lewald, Fanny
- Lewald, Otto
- Lewenhaupt → Löwenhaupt, Adam Ludwig von
- Lewes, George Henry
- Lewis
- Lewis
- Lewis, David Leopold
- Lewis, Leon
- Lewis, 2nd Baronet, Sir George Cornewall
- Lex → Leks, Ivan Michajlovič
- Lexis, Wilhelm
- Leyba, Joaquín
- Leyden, John
- Leynadier, Camille
- Leyva, Francisco de
- Leßner, Friedrich
- Leßner, Marie
- Leßner, Nelli
- Leßner, Sarah
- León, conde de Belascoain, Diego de
- Libeaud, E. J.
- Library (Nennung im Freundeskreis) → Liebknecht, Wilhelm
- Lichfield, Thomas George Anson, 2nd Earl of
- Lichnowsky, Felix Maria von
- Lichtenberg, Dr. G.
- Lichtenberg, Georg Christoph
- Lichtwer, Magnus Gottfried
- Licinius Crassus, Marcus
- Licinius Crassus Mucianus, Publius
- Licinius Lucullus, Lucius
- Licinius Stolo, Gaius
- Liddell, Sir Adolphus Frederic Octavius
- Liders (Лидерс), Graf, Aleksandr Nikolaevič
- Lieberkühn, Johann Nathanael
- Liebermann, Benjamin
- Liebermann, Carl
- Liebermann, Philipp
- Liebermeister, Carl von
- Liebers, Bruno
- Liebers, Maria Elisabeth Antoinette
- Liebert, Bernhard
- Liebert, Emil
- Liebig, Hermann von
- Liebig, Johann von
- Liebig, Justus von
- Liebknecht → Wagner, Friederike Elise Susanne
- Liebknecht → Weidig, Wilhelmine Christine
- Liebknecht, Alice
- Liebknecht, Ernestine
- Liebknecht, Gertrud
- Liebknecht, Gottlieb Wilhelm
- Liebknecht, Karl
- Liebknecht, Karoline Christiane Marie (Adele)
- Liebknecht, Natalie
- Liebknecht, Theodor
- Liebknecht, Wilhelm
- Liebreich, Richard
- Liepmann, Julius
- Liesecke, Alexander
- Liesnizki → Lesnickij, Grigorij Sofon'evič
- Lieven siehe Bruiningk
- Ligne, Karl Joseph von
- Lilienfeld, Paul von
- Lilienthal, von
- Lilienthal (irrtümlich) → Lilienfeld, Paul von
- Liliputaner
- Lilley
- Limayrac, Paulin
- Limbourg → Limburg, W.
- Limburg
- Limburg, W.
- Limousin, Antoine
- Limousin, Charles Mathieu
- Linage (Linaje), Francisco
- Linage de Vauciennes, Pierre
- Linares y Pacheco, Venceslao de
- Lincel, Geoffroi de
- Linck, Edward
- Lincke
- Lincke, F.
- Lincoln, Abraham
- Lincoln, Henry John
- Lind, Jenny
- Lindau → Vivanti, Anna
- Lindau, Paul
- Lindemann, Hugo
- Linden
- Lindenschmit (der Ältere), Ludwig
- Lindsay, John
- Lindsay, William Schaw
- Linguet, Simon Nicolas Henri
- Link
- Link, Heinrich Friedrich
- Linkenbach, P.
- Linklater, John
- Linné, Carl von
- Lintern, W.
- Linton, William James
- Lionne, marquis de Fresnes et de Berny, Hugues de
- Lipka → Beust, Anna von
- Lipka, Adolph
- Lipka, Bertha Elisabeth Julie
- Lipka, Susanne Christine Johanne
- Lipp
- Lipp, Fr.
- Lippe-Biesterfeld-Weißenfeld, Leopold zur
- Lippomano, Girolamo
- Liprandi (Липранди), Ivan Petrovič
- Liprandi (Липранди), Pavel Petrovič
- Lips → Lipsius, Justus
- Lipsius, Justus
- Lipszky, János von Szedlicsna
- Liselotte von der Pfalz → Orléans, Elisabeth Charlotte, duchesse d’
- Lisle
- Lissagaray, Prosper Olivier
- List, Friedrich
- Lister, James
- Litton → Bulwer-Lytton, 1st Baron Lytton, Edward George Earle Lytton
- Littré, Émile
- Liven, Christofor Andreevič von
- Liven (Ливен), Darja Christoforovna
- Liverani, Luigi
- Livesay, Joseph
- Livingston, Laura
- Livingston, Max
- Livius, Titus
- Lizzy → Burns, Lydia
- Ljubavin (Любавин), Nikolaj Nikolaevič
- Ljudmila (Ludmila)
- Llamas, Pedro González
- Llanos, Valentín de
- Llauder, marqués del Valle de Ribas, Manuel
- Llorente, Juan Antonio
- Lloyd → Lloyd Jones, Patrick
- Lloyd, Hannibal Evans
- Lloyd, Henry
- Lloyd, Henry Demarest
- Lloyd Jones, Patrick
- Lo Savio, Niccolò
- Lo Savio, Niccolò
- Loaysa, Juan García de
- Lochner
- Lochner, Georg
- Locke, John
- Lockhart, L.
- Lodar → Hlodver Thorfinnsson
- Lodge, Henry Cabot
- Lodovico Buonarroti Simoni → Michelangelo
- Loe, Maximilian von
- Löb Baruch (ursprünglich bis 1818) → Börne, Karl Ludwig
- Löbe, William
- Löbell, Heinrich von
- Löber, L.
- Löhr → Marx, Laura
- Loehr, Carl Adolph
- Löhr, Löhrchen → Lafargue, Laura
- Löllgen, Johann Adam
- Loening (späterer Name), Carl Friedrich
- Lörchen → Marx, Laura
- Loeve-Veimars, François Adolphe
- Löwe, Karl
- Löwe, Wilhelm
- Löwenberg, Karl Friedrich Benjamin
- Löwenfeld, Julius Ludwig Wilhelm von
- Löwenfels, Moritz Wilhelm von
- Löwenhaupt, Adam Ludwig von
- Löwenstein, Gabriel
- Löwenstein, Rudolf
- Löwenthal (bis 1857) → Loening (späterer Name), Carl Friedrich
- Lofthouse, David
- Logan, John Alexander
- Logan (Tah-gah-jute)
- Lohmeier, Hermann
- Loiseleur Deslongchamps, Auguste
- Lomax, Joseph (Joe)
- Lombard de Langres, Vincent
- Lommel, Georg Aloys
- Long
- Long, James
- Longa, Francisco Tomas de
- Longchamp, Marcel François Xavier
- Longe, Francis Davy
- Longfellow, Henry Wadsworth
- Longfield, Mountifort
- Longmaid, John H.
- Longstreet, James
- Longuet, Charles Félix César
- Longuet, Edgar
- Longuet, Jenny
- Longueville, Henri d’Orleans, duc de
- Longworth, John Augustus
- Lopatin (Лопатин), German Aleksandrovič
- Lopes, Francisco Gonçalves
- Lopez de Lara
- Lord, Percival Barton
- Lord Auckland → Eden, 1. Earl of Auckland, George
- Lord Ebrington → Fortescue, Viscount Ebrington (seit 1839) 2nd Earl Fortescue, Hugh
- Lord Penzance → Wilde, 1st Baron Penzance, James
- Lord Rosse → Parsons, 3rd Earl of Ross, William
- Lord Stanley (1851–69), anschließend Lord Derby → Stanley, (ab 1869) 15th Earl of Derby, Edward Henry
- Lord Teignmouth → Teignmouth, John Shore, 1. Baron
- Lorentz, Adeline
- Lorentz, Friedrich
- Lorentz, Friedrich
- Lorenz, A.
- Lorenzen, Dr.
- Lorenzo, Anselmo
- Lorenzo, Manuel
- Lorgue, Jacques
- Loria, Achille
- Lormier, Alfred
- Lormier, Eleonore
- Lormier, Eugène
- Lormier, Ludovick
- Lormier, Marie
- Lormier („dessinateur“), Alfred
- Lorrain, Claude
- Lortzing, Albert
- Losch, Hermann
- Lose, Carl Christian
- Lostau, Baldomer
- Lothar I.
- Lottero, Ceccoli
- Louandre, Charles
- Loubet, Émile
- Loudon, John Claudius
- Louis → Lormier, Ludovick
- Louis
- Louis Bläncchen → Blanc, Louis
- Louis Bonaparte → Napoléon III
- Louis Bonaparte, Louis Napoleon siehe Napoléon III
- Louis II. de Bourbon, prince de Condé → Condé, Louis de
- Louis IV. Henri de Bourbon, 7. prince de Condé → Condé, Louis Henri de
- Louis Napoleon → Napoléon III
- Louis Philippe
- Louis Philippe Albert d’Orléans, comte de Paris
- Louis de Bourbon
- Louis de Male
- Louis d’Anjou
- Louis, dauphin de France
- Louis, duc de Bourgogne
- Louise Marie Auguste von Baden → Elizaveta Alekseevna (Елизавета Алексеевна)
- Louis II. de Bourbon, prince de Condé
- Louis IX. (Saint Louis)
- Louis VI. (le Gros)
- Louis VII. (le Jeune)
- Louis X. (le Hutin)
- Louis XI.
- Louis XII. (Louis d’Orleans)
- Louis XIII.
- Louis XIV.
- Louis XV.
- Louis XVI.
- Louis XVIII.
- Lounitz
- Loutil, Edmond
- Louville, marquis, Charles Auguste d’Allonville de
- Love
- Lovell, John W.
- Lovett, William
- Lovey, A.
- Low → Lowe, (seit 1880) 1st Viscount Sherbrooke of Sherbrooke, Robert
- Low, David
- Lowe, (seit 1880) 1st Viscount Sherbrooke of Sherbrooke, Robert
- Lowell, Francis Cabot
- Lowndes, William
- Loya
- Loyd, 1st Baron Overstone, Samuel Jones
- Lozano de Torres, Juan Esteban
- Lubbock, Sir John
- Lubliner, Ludwik Ozeasz
- Luby, Laetitia
- Luby, Thomas Clarke
- Lucain → Potel, Frédéric
- Lucanus → Annaeus Lucanus, Marcus
- Lucanus siehe Annaeus Lucanus, Marcus
- Lucas, F.
- Lucchesini, Giovanni Vincenzo
- Luchet, Jean Pierre Louisde Laroche Du Maine de
- Luchtenberg, Gustav
- Lucia Migliaccio → Floridia da Siracusa, duchesa
- Lucian → Lukianos von Samosata
- Lucian siehe Lukianos
- Luciani, Giuseppe
- Lucker, Christopher Henry
- Lucraft, Benjamin
- Lucretius Carus, Titus
- Lucrez → Lucretius Carus, Titus
- Luden, Heinrich
- Ludlow, John Malcolm Forbes
- Ludvigh, János
- Ludwig, Ernst
- Ludwig, Gustav
- Ludwig, Karl Friedrich Wilhelm
- Ludwig Carl Friedrich Detroit (Detroy) → Ali-Pascha, Mehemed
- Ludwig I. der Fromme
- Ludwig II.
- Ludwig II.
- Ludwig II. der Deutsche
- Ludwig III. von Hessen und bei Rhein
- Ludwig Otto → Breitschwert, Otto Ludwig von
- Ludwig Wilhelm
- Ludwig I.
- Lübeck → Luebeck, Carl
- Luebeck, Carl
- Lüchow, Ludolf
- Lüdemann
- Lüders, Otto
- Lührsen
- Lünig, Johann Christian
- Lüning → Weydemeyer, Luise
- Lüning, Otto
- Lütgen, August Christian Julius
- Lüttichau, Philipp Theodor von
- Lützow, Adolf von
- Luft
- Luis Antonio Jaime de Borbón
- Luis María de Borbón
- Luisa Carlota de Borbón Sicilia
- Luisa Fernanda de Borbón
- Luise von Hessen
- Luise von Savoyen
- Luján, Manuel
- Lukianos von Samosata
- Lullier, Charles Ernest
- Lumley-Savile → Savile, 1st Baron Savile, John
- Lumpkin, Tony
- Lumsden, Harry Burnett
- Luna, duque de Trujillo, Alvaro de
- Lund, Hans Vilhelm
- Lundberg
- Luntz, Carl
- Luscombe
- Luther, Martin
- Lutterbeck, Carl
- Lux, Heinrich
- Luxembourg, François Henri de Montmorency-Bouteville de
- Luyando, José de
- Luzac, Elie
- Luzzatti, Luigi
- Lyall → Lyell, 1st Baronet, Sir Charles
- Lycurgo → Lykurg
- Lyell, 1st Baronet, Sir Charles
- Lykurg
- Lyman, Joseph Bardwell
- Lynch, John
- Lynch, John
- Lynn
- Lyon, Nathaniel
- Lyons, Richard Bickerton Pemell
- Lyons, Robert Spencer Dyer
- Lyons, 1st Baron Lyons, Edmund
- Lyra → Köttgen, Marie
- Lyser → Burmeister, Ludwig Peter August
- Lyttleton, 1st Baron, George
- López
- López, Francisco García
- López, Gregorio
- López, Joaquín María
- López, Simón
- López Ballesteros, Francisco
- López Baños, Miguel de los Santos
- López Bravo, Mateo
- López Cepero, Manuel
- López de Ayala, Pero
- López de Palacios Rubios, Juan
- López del Pan, José Salvador
- Līlienfelʹd-Toal → Lilienfeld, Paul von
- Lžedmitrij I.
- Lžedmitrij II.
- L’Aspée, Henri de
- L’Estocq, Anton Wilhelm von
- L’Hôpital, Michel de