| Louis de Tarente | Louis of Taranto |
| Louis Delluc | Louis Delluc |
| Louis Diémer | Louis Diémer |
| Louis Dominique Cartouche | Louis Dominique Bourguignon |
| Louis Eugène Cavaignac | Louis-Eugène Cavaignac |
| Louis Eugène Félix Néel | Louis Eugène Félix Néel |
| Louis Eugène Marie Bautain | Louis Eugène Marie Bautain |
| Louis Farrakhan | Louis Farrakhan |
| Louis Ferdinand de Prusse | Prince Louis Ferdinand of Prussia |
| Louis Fleury | Louis Fleury |
| Louis Friant | Louis Friant |
| Louis Frédéric de Wurtemberg | Duke Louis of Württemberg |
| Louis Gabriel Suchet | Louis Gabriel Suchet |
| Louis Gaston d’Orléans-Bragance | Prince Luís of Orléans-Braganza |
| Louis Georges Duvernoy | Georges Louis Duvernoy |
| Louis Georges Érasme de Contades | Louis Georges Érasme de Contades |
| Louis Gernet | Louis Gernet |
| Louis Gray | Louis Harold Gray |
| Louis Hjelmslev | Louis Hjelmslev |
| Louis Hon | Louis Hon |
| Louis Hémon | Louis Hémon |
| Louis Ier | Louis I |
| Louis Ier de Bavière | Ludwig I of Bavaria |
| Louis Ier de Flandre | Louis I of Flanders |
| Louis Ier de Hongrie | Louis I of Hungary |
| Louis Ier de Naples | Louis I of Naples |
| Louis Ier de Portugal | Luís I of Portugal |
| Louis II | Louis II |
| Louis II de Bavière | Ludwig II of Bavaria |
| Louis II de Flandre | Louis II of Flanders |
| Louis II de France | Louis the Stammerer |
| Louis II de Germanie | Louis the German |
| Louis II de Hollande | Napoleon Louis Bonaparte |
| Louis II de Hongrie | Louis II of Hungary and Bohemia |
| Louis II de La Trémoille | Louis II de la Trémoille |
| Louis II de Vendôme | Louis II de Bourbon-Vendôme |
| Louis II Phélypeaux de La Vrillière | Louis Phélypeaux |
| Louis III | Louis III |
| Louis III de Bavière | Ludwig III of Bavaria |
| Louis III de France | Louis III of France |
| Louis III de Germanie | Louis the Younger |
| Louis III de Mantoue | Ludovico II of Gonzaga |
| Louis Isidore Duperrey | Louis Isidore Duperrey |
| Louis IV | Louis IV |
| Louis IV de France | Louis IV of France |
| Louis IV de Germanie | Louis the Child |
| Louis IX | Louis IX |
| Louis IX de France | Louis IX of France |
| Louis Jacques Thénard | Louis Jacques Thénard |
| Louis James Alfred Lefébure-Wely | Louis James Alfred Lefébure-Wély |
| Louis Jean François Lagrenée | Louis-Jean-François Lagrenée |
| Louis Jean-Marie Daubenton | Louis-Jean-Marie Daubenton |
| Louis Jolliet | Louis Jolliet |
| Louis Joseph Gay-Lussac | Joseph Louis Gay-Lussac |
| Louis Jules Trochu | Louis Jules Trochu |
| Louis Kahn | Louis Kahn |
| Louis le Germanique | Louis the German |
| Louis le Pieux | Louis the Pious |
| Louis Le Vau | Louis Le Vau |
| Louis Lortie | Louis Lortie |
| Louis Lucien Bonaparte | Louis Lucien Bonaparte |
