Labriola, Antonio
Lacordaire, Henri Dominique
Lacroix, Jean
Lafer Celso
Lafitte Pierre
Lamennais, Felicité Robert
Languet, Hubert Dito Junius Brutus
Lapierre, Jean-William
Laranjo, José Frederico
Laski, Harold Joseph
Lassalle, Ferdinand
Lasswell, Harold D.
Lazarsfeld, Paul Felix
Leão XIII
Leão, Francisco da Cunha
Lecky, W. E. H.
Leclercq, Jacques
Lefort Claude
Legaz Y Lacambra, Luís
Leibniz, Gottfried Wilhelm
Leitão, Manuel Rodrigues
Lemos Seixas Castelo Branco, João de
Lemos, Miguel
Lenine, Vladimir Ilitch Ulianov
Leroux, Pierre
Leroy-Beaulieu, Paul
Lessing, Gotthold Ephraim
Lévi-Strauss, Claude
Lévy-Bruhl, Lucien
Lieber, Francis
Liebknecht, Karl
Lilienfeld Paul von
Lima, Alceu Amoroso ou Tristão D’athayde
Lima, Cândido Figueiredo e
Lima, J. Campos
Lippmann, Walter
Lipset, Seymour Martin
Lipsius, Justus
Lisboa, José da Silva
List, Friedrich
Littré, Maximilian Paul Émile
Locke, John
Lolme, Jean Louis de
Lorenz, Konrad Zachariae
Loureiro, João Bernardo da Rocha
Loyseau, Charles
Luhmann Niklas
Luís XIV
Lukács, György
Lúlio, Raimundo
Lutero, Martinho
Luxemburg, Rosa
Lyotard Jean-François