Labadists
Laban
Labarum
Labbe, Philippe
Labour and Labour Legislation 
Labyrinth
Lac, Stanislaus du 
Lacedonia, Diocese of
Lamarck, Chevalier de
Lamartine, Alphonse de
Lamb, Paschal
Lamb (in Christian Symbolism)
Lambeck, Peter
Lambert, Saint
Lambert, Louis A.
Lambert Le Bègue
Lambert of Hersfeld
Lambert of St-Bertin
Lamberville, Jacques and Jean de
Lambillotte, Louis
Lambin, Denis
Lambruschini, Luigi
Lambton, Ven. Joseph
Lamego
Laodicea
Laos
Laplace, Pierre-Simon
Lapparent, Albert Auguste de
Laprade, Victor de
Lapsi
Lapuente,  Luis de, Ven.
Laranda
Lares
Larino
Larissa
Larrey, Dominique-Jean
Larue, Charles de
Lasaulx, Ernst von
Lascaris, Constantine
Lascaris, Janus
Laski, John
Lassus, Orlandus de
Lataste, Marie
Latera, Flaminius Annibali de
Lateran, Christian Museum
Lateran, Saint John
Lateran Councils
Lateran Council, First
Lateran Council, Second
Lateran Council, Third
Lateran Council, Fourth
Lateran Council, Fifth
Lathrop, George Parsons
Latin Church
Latini, Brunetto
La Trappe
Latreille, Pierre-André
Latria
Lauda Sion
Lauds
Laura
Laurentie, Pierre-Sébastien 
Lauzon, Jean de
Lauzon, Pierre de
Lavabo
Laval
Laverdière, Charles-Honoré
Lavérendrye, Pierre Gaultier de Varennes, Sieur de
Lebanon
Lebedus
Lebrun, Charles
Lebwin, Saint -- Apostle of the Frisians
Leclerc du Tremblay, François
Leclercq, Chrestien
Lecoy de La Marche
Lectern
Lectionary
Lent
Lentulus, Publius
Leo I (the Great), Pope
Leo II, Pope Saint 
Leo III, Pope Saint
Leo IV, Pope
Leo V, Pope
Leo VI, Pope
Leo X, Pope
Leo XI, Pope
Leo XIII, Pope
Leo, Brother
Leocadia, Saint
Leodegar, Saint
León, Luis de
Leonidas, Saint
Leontius, Saint
Leontius Byzantinus
Leontopolis
Leopoldine Society
Lepanto
Leptis Magna
Lérida
Lérins, Abbey of
Leros
Leroy-Beaulieu, Anatole
Le Sage, Alain-René
Lesbi
Lescarbot, Marc
Lescot, Pierre
Lesina
Lesueur, François Eustache
Lesueur, Jean-Francois
Lete
Leuce
Levites
Leviticus
Lezana, Juan Bautista de
L'Hospital, Michael de
Libera Me
Liberalism
Liberatus of Carthage
Liberius, Pope
Libermann, Francis Mary Paul, Ven. 
Libraries
Linköping, Ancient See
Lithuanians in the United States
Lucifer
Lucina, Crypt of
Lucius I, Pope Saint
Lucius II, Pope
Lucius III, Pope
Lucy, Saint
Ludger, Saint
Ludmilla, Saint
Ludolph of Saxony
Luini, Bernardino
Luke, Gospel of Saint
Lummi Indians
Lumper, Gottfried
Luna, Pedro de
Lunette
Lusignan, Jean-Baptiste-Alphonse
Lust