• Lord Chamberlain
• Lord Chief Justice
• Lord Great Chamberlain
• Lord High Chancellor
• Lord High Constable
• Lord High Steward
• Lord High Treasurer
• Lord Justice Clerk
• Lord Justice-General
• Lord Keeper of the Great Seal
• Lord Mayor's Day
• Lore
• Lorelei
• Lotze, Rudolf Hermann
• Louis
• Louis I of Bavaria
• Louis XVI
• Louis Philippe I
• Louisburg

• Louise of Prussia
• Lowell Institute

Lurch - Luther, Martin

• Lurch
• Lurgan
• Luria, Isaac ben Solomon
• Luristan
• Lusatia
• Lushai Hills
• Lusignan
• Lussin
• Lustration
• Lute
• Luthardt, Christoph Ernst
• Luther, Martin

• Luzzatto, Samuel David
• Lyall, Sir Alfred Comyn
• Lyall, Edna

• Lycaeus
• Lycanthropy
• Lycaon

Lyra - Lyrical poetry

• Lyra
• Lyre
• Lyre-bird
• Lyrical poetry

• Macbeth

McKim, Charles Follen - McKinley, William

• McKim, Charles Follen
• Mackinac Island
• McKinley, William

McMaster, John Bach - MacMonnies, Frederick William

• McMaster, John Bach
• Macmillan
• MacMonnies, Frederick William

Macpherson, James - Macroom

• Macpherson, James
• McPherson, James Birdseye
• Macquarie
• Macrauchenia
• Macready, William Charles
• Macrobius, Ambrosius Theodosius
• Macroom

• Magic
• Magic Square

Mander, Carel Van - Mandrake

• Mander, Carel Van
• Mandeville, Bernard de
• Mandeville, Geoffrey de
• Mandeville, Jehan de
• Mandhata
• Mandi
• Mandingo
• Mandla
• Mandoline
• Mandrake

Mann, Horace - Manna

• Mann, Horace
• Manna

Mantes-sur-Seine - mantis

• Mantes-sur-Seine
• Manteuffel, Edwin von
• Mantineia
• Mantis

Marinette - Maris, Jacob

• Marinette
• Marini, Giambattista
• Marino
• Marinus (popes)
• Marinus (philosopher)
• Marinus of Tyre
• Mario, Giuseppe
• Marion, Francis
• Marion, Henri François
• Marion (Indiana)
• Marion (Ohio)
• Marionettes
• Mariotte, Edme
• Mariposan
• Maris, Jacob

• Mars (deity)
• Mars
• Marsala

Martin - Martineau, James

• Martin
• Martineau, Harriet
• Martineau, James

• Marx, Karl
• Mary Magdalene
• Mathematics
• Matter
• Mauve, Anton

maze - Mead, Larkin Goldsmith

• Maze
• Mazepa-Koledinsky, Ivan Stepanovich
• Mazer
• Mazurka
• Mazzara del Vallo
• Mazzini, Giuseppe
• Mazzoni, Giacomo
• Mazzoni, Guido
• Mead, Larkin Goldsmith

• Mead
• Meade, George Gordon
• Meaux
• Mecca (in progress)
• Mechanics
• Mecklenburg