List of nicknames of European royalty and nobility: L
- Ladislaus I of Hungary the Most Elegant King 1, the Saint
- Ladislaus III of Hungarythe Child
- Ladislaus IV of Hungary the Kuman
- Ladislaus IV of Poland the Short
- Ladislas of Naples the Generous, the Liberal, the Magnanimous, the Victorious
- Ladislaus Posthumus of Bohemia and Hungary the Bardless King, the Posthumous
- Lambert I of Leuven, Count of Louvain, 973–1015 the Bearded, Lambert with the Beard
- Lambert II, Count of Louvain (992–1062) der Gegürtete, le Ceinturé, Lambert Balderic, the Belted
- Lambert, Count of Camerino (d.873) the Bald
- Landulf I of Benevento Antipater 2
- Landulf II of Benevento the Red
- Landulf of Capua the Cunning 3
- Laurence Shirley, 4th Earl Ferrers the Wicked Lord Ferrers 4
- Laurent, marquis de Gouvion Saint-Cyr "l'Homme de Glace" , le Mauvaix Coucheur , the Owl
- Lazar of Serbia Emperor Lazar, Tsar Lazar 5, Hrebeljanovic, the Sleeper, the Sleeping Hero, the Sleeping King
- Lazare Carnot the Great Carnot 6, the Organizer of Victory
- Leo I the Thracian, Byzantine Emperor the Butcher 7, the Great, the Thracian
- Leo II of Armenia the Great [http://penelope.uchicago.edu/Thayer/E/Gazetteer/Places/Asia/Armenia/_Texts/KURARM/29*.html], the Magnificent [http://penelope.uchicago.edu/Thayer/E/Gazetteer/Places/Asia/Armenia/_Texts/KURARM/29*.html]
- Leo I of Gaeta the Usurper
- Leo II (emperor) "The Little", "Small"
- Leo III, Byzantine Emperor Konon, the Isaurian 8
- Leo IV, Byzantine Emperor the Khazar
- Leo V, Byzantine Emperor the Armenian
- Leo VI the Wise the Philosopher, the Wise
- Pope Leo IX the Saint
- Leonor of Viseu the Old Queen
- Leonor Telles de Menezes the Deceitful
- Leopold I, Holy Roman Emperor Turkenpoeldel 9
- Leopold I of Austria (Babenberg) 10
- Leopold I of Austria (Habsburg) the Glorious, the Habsburgs' Sword
- Leopold I of Belgium the Nestor of Europe 11 12 , the Uncle of Europe 13
- Leopold I, Prince of Anhalt-Dessau the Old Dessauer 14
- Leopold II of Austria the Handsome
- Leopold II of Belgium the Butcher of Congo 15; the King-Builder
- Leopold II, Holy Roman Emperor the Enlightened Despot
- Leopold III of Austria (Babenberg) the Saint 16
- Leopold III the Able, the Pious, the Worthy
- Leopold IV of Austria (Babenberg) the Generous, the Liberal, the Magnanimous, the Spendthrift, the Extravagant
- Leopold IV, Duke of Austria the Fat, the Magnificent, the Proud
- Leopold V of Austria (Babenberg) the Able, the Virtuous
- Leopold V, Duke of Austria, 1177–1194 the Pious
- Leopold, Duke of Lorraine
- Leopold of Styria the Brave, the Strong
- Leopold of Babenberg (1207–1216) the Child, son of Leopold VI of Austria, died when he fell from a tree.
- Leopold, Duke of Lorraine the Father of the People and of the Aristocracy 17
- Leif Ericson the Lucky 18 19
- Lestko the Astute, the Shrewd 20
- Leszek I the White
- Leszek II the Black
- Letizia Ramolino Madame Mère 21
- Licinianus the Barracks Emperor, the Emperor of the Army
- Lionel of Antwerp, 1st Duke of Clarence
- Llywelyn the Great the Great 22 23
- Llywelyn ap Llywelyn Ddu the Luxurious 24
- Llywarch ap Lludica the Lame
- Llywelyn the Last Our Last Leader , the Last
- Llywarch Hen 25 the Old
- Lope Lopez de Haro (1182–1253), Lord of La Guardia "The Little", "Small"
- Lope Diaz de Haro II, 4th Lord of Vizcaya Cabeza Brava 26
- Lorenzo de' Medici il Popolano, the Magnificent 27 28 29
- Loretta de Braose, Countess of Leicester the Recluse of Hackington 30 31
- Lothair II of Lotharingia the Saxon
- Lothair II of Italy Lothair of Arles
- Lothair III, Holy Roman Emperor Lothair of Supplinburg 32
- Louis II de Bourbon, Prince de Condé the Hero of History (Fr. l’Hero de l’Histoire): 33
- Louis, duc de Bourgogne le Petit Dauphin
- Louis of Bourbon, Duke of Orléans "le Génovéfain"
- Louis Nicolas Davout the Terrible
- Louis Philippe of France the Citizen King
- Louis William, Margrave of Baden-Baden der Turkenlois (Turkish Louis)
- Louis William, Margrave of Baden-Baden the Red King
- Louis of Sicily the Child
- Louis of Toulouse the Saint
- Louis, Duke of Wurttemberg, 1568-1593 the Saint
- Louis I, Margrave of Brandenburg, 1324-1351 the Elder
- Louis I, Count of Wurttemberg, 1419–1450 the Elder
- Louis I of Flanders Louis of Crecy 34, Louis of Nevers
- Louis I of Spain the Well-Loved'
- Louis I, Duke Palatine of Zweibrucken the Black 35
- Louis I, Duke of Bourbon the Great
- Louis I, Count of Montpensier
- Louis I Wittelsbach, Duke of Bavaria the Kelheimer 36 37
- Louis I, Cardinal of Guise Cardinal de Guise 38
- Louis I of Bavaria the Upright
- Louis I, Duke of Bourbon the Lame
- Louis I of Hungary "The Last of the Knight-Kings" 39
- Louis I of Burgundy, Count of Auxerre the Green Knight 40
- Louis II de la Trémoille Chevalier sans Reproche
- Louis II de Bourbon, Prince de Condé the French Alexander
- Louis II of France the Stammerer
- Louis II of Bavaria the Dream King 41
- Louis II of Hungary and Bohemia the Child-King
- Louis II, Count Palatine of Zweibrucken, 1514-1532 the Younger
- Louis II, Count of Wurttemberg, 1450–1457 the Younger
- Louis II, Landgrave of Thuringia the Jumper, the Springer 42
- Louis II of Bavaria the Cruel
- Louis II, Duke of Bourbon
- Louis II (1390-1463), Prince of Orange the Good
- Louis II, Landgrave of Thuringia, 1140–1172 the Iron
- Louis II of Flanders Louis of Male
- Louis II de Bourbon, Prince de Condé the Alexander the Great of France, Monsieur le Prince
- Louis II, Count of Loon Louis of Loon
- Louis II, Landgrave of Thuringia the Hard
- Louis II, Landgrave of Hesse, 1413–1458 the Pacific
- Louis II, Cardinal of Guise Cardinal de Guise
- Louis II, Duke of Bavaria the Stern
- Louis II de Bourbon the Great Conde
- Louis II, Prince of Monaco the Soldier-Prince
- Louis II de la Trémoille "le Chavalier sans Reproche"
- Louis II of Bavaria the Only True King of His Century 43 44
- Louis III, Prince of Condé the Green Monkey 45
- Louis III, Cardinal of Guise Cardinal de Guise
- Louis III, Count Palatine of the Rhine
- Louis III, Prince of Conde Monsieur le Duc
- Louis III, Count Palatine of the Rhine the Elder
- Louis III of Wurttemberg (1568–1593) the Pious
- Louis III, Landgrave of Thuringia the Pious
- Louis III, Landgrave of Hesse-Marburg the Younger
- Louis III, Landgrave of Hesse (1402–1458) der Friedsame
- Louis III, Landgrave of Hesse the French
- Louis IV of France Louis d'Outremer
- Louis IV, Count of Chiny the Younger 46
- Louis IV, Holy Roman Emperor Louis of Bavaria, the Bavarian
- Louis IV, Count Palatine of the Rhine the Mild
- Louis IV, Elector Palatine of the Rhine (1424–1449) the Kind
- Louis IV, Landgrave of Hesse-Kassel (1438–1471)]] the Ourtspoken''
- Louis V of France the Do-Nothing
- Louis V, Duke of Bavaria the Brandenburger
- Louis V of France ''the Feckless'
- Louis V of Hesse-Darmstadt the Faithful 47
- Louis V of Thuringia (1172–1190) the Gentle
- Louis V, Duke of Upper Bavaria (1347-1361) the Elder
- Louis V, Count Palatine of the Rhine the Pacific
- Louis VI the Roman Louis the Roman
- Louis VI of France the Bruiser, the Fat, the Fighter 48
- Louis VI of France the Father of the Communes, the Wide-Awake
- Louis IX of France the Solomon of Franc 49
- Louis XI of France the Father of European Diplomacy
- Louis VII of France the Royal Damsel 50, the Younger, the French
- Louis VII, Duke of Bavaria the Bearded
- Louis VIII of France the Lion
- Louis VIII, Duke of Bavaria the Younger
- Louis VIII, Duke of Bavaria-Ingolstadt, 1443–1445 the Hunchback
- Louis IX of France the Arbiter of Europe, the Lieutenant of God on Earth, the Saint
- Louis IX, Duke of Bavaria the Rich
- Louis X of France | Louis I of Navarre the Stubborn (Fr. le Hutin), the Quarrelsome
- Louis XI of France the Cruel, the Prudent, the Spider, the Universal Spider, Ragno
- Louis XII of France the Father of the People 51
- Louis XII of Oettingen the Bearded
- Louis XIII of France the Just
- Louis XIV of France the Great, the Baboon, Lewis Baboon 52 53, Old Bona Fide 54, the Sun King, the God-given, the Great Monarch, the Great Monarch
- Louis XV of France the Well-Beloved
- Louis XVI of France the Restorer of French Liberty, the Last, the Baker 55, the Martyr 56, the Martyr King, the Well-Beloved
- Louis XVII of France the Lost Dauphin
- Louis XVIII of France De-sh-uî tres (a pun on dixhuit) ,the Desired,the Father of the People,the King of Slops'' 57 58
- Louis Philippe II, Duke of Orléans Philippe Égalité
- Louis the Child the Infant 59
- Louis the Pious the Debonair, the Pious
- Louis of Bourbon, Duke of Orléans the Pious
- Louis, Landgrave of Hesse the Junker
- Louis of France (1661–?) the Dauphin, son Louis XIV of France and Maria Theresa of Spain
- Louis (d.1765) the Dauphin, natural son of Louis XV of France and Madame de Pompadour
- Louis of Bavaria (1267–1290) Elegans
- Louis the Younger the Younger
- Louis the Blind 60, Beronides
- Louis the German the Bavarian
- Louis of Orleans and Braganza (1878–1920), Prince of Brazil the Perfect Prince
- Louis of Hungary the Great, the Captain of Christendom 61
- Louis Nicolas Davout the Robespierre of Hamburg
- Louis the German the German, the Pious
- Louis, Landgrave of Thuringia (1042–1123) the Springer, the Jumper 62
- Louis-Auguste de Bourbon, Duc du Maine Gambillard 63
- Louis the Pious the Good-Natured
- Louis William, Margrave of Baden-Baden the Shield of the Empire
- Louis, Dauphin of France (1661-1711) the Grand Dauphin
- Louis Joseph, duc de Vendôme the Great Vendome
- Louis de Coutes, Lord of Noviont Minguet 64
- Louis of Pfirt (d.1236) the Ferocious
- Louis Alexandre Berthier the Emperor's Wife 65
- Louis Gabriel Suchet el Hombre Justo
- Louis Nicolas Davout la Bête the Iron Marshal the Victor of Auerstadt 66
- Louis Philippe I, Duke of Orléans the Fat
- Louis Philippe of France the Bourgeois King, King Smith 67
- Louis Mountbatten, 1st Earl Mountbatten of Burma Mountbottom, Honorary Grandfather
- Louise of Mecklenburg-Strelitz the Only Man in Prussia 68
- Louise de Kérouaille, Duchess of Portsmouth Squintabella, la Belle Louise 69, Bathsheba,the Weeping Willow, Madame Carwell 70
- Louise-Elisabeth de Bourbon Madame Infanta
- Louise Elisabeth of Orléans Mademoiselle de Montpensier, the Capricious
- Luarsab II of Kartli the Martyr, the Saint
- Lucy Russell, Countess of Bedford the Universal Patroness of Poets 71
- Saint Ludmila the Saint 72
- Ludovico Sforza the Force of Destiny, the Moor 73
- Ludovico II of Gonzaga the Turkified, the Turk, the Turned-Turk
- Ludwig I of Bavaria the Patron, der Kunstmäzen
- Ludwig I of Thuringia the Bearded
- Ludwig II of Bavaria the Romantic on the Throne 74, the Mad, Mad King Ludwig 75, the Moon King 76, the Eagle 77, the Swan King 78 79, the Recluse of the Alps 80, Our Darling 81, the Fairy Tale King 82
- Ludwig IV of Thuringia the Saint
- Lucrezia Borgia "The Little Idol of the Vatican" 83
- Lugaid mac Con the Dog's Son
- Luis I of Portugal the Popular
- Luisa de Borja y Aragon (1520–1560) the Duchess-Saint, wife of Martin de Aragon, 4th Duke of Villahermosa
- Luisa Isabel Álvarez de Toledo, 20th Duchess of Medina Sidonia the Red Duchess 84
- Luitfrid IV, Count of Sundgau (d.910) "le Comte Illustre"
- Lulach of Scotland the Fool 85, the Simple 86 87 88
Regnal Name
- Louis of Tyrol: Louis V, Duke of Bavaria
- Louis I of Brandenburg: Louis V, Duke of Bavaria