II. Louis ya da II. Ludwig ya da II. Lajos şu anlamlara da gelebilir: II. Ludwig (Kutsal Roma imparatoru) (825–875) Louis the German (804–876), Doğu Frank Kralı II. Louis (Batı Frank kralı) (846–879) II. Louis Count of Chiny (1066'dan önce öldü) II. Louis Landgrave of Thuringia (1128–1172) II. Louis Count of Loon (died 1218) II. Louis Duke of Bavaria (1229–1294) II. Louis I of Flanders, Louis Nevers, (1304–1346) II. Louis Elector of Brandenburg (1328–1365) II. Louis Châtillon (died 1372) II. Louis Flanders (1330–1384) II. Louis d'Évreux (1336–1400) II. Louis Duke of Bourbon (1337–1410) II. Louis Count of Blois (died 1346) II. Louis Naples (1377–1417) II. Louis Duke of Brieg (1380–1436) II. Louis Landgrave of Lower Hesse (1438–1471) II. Louis Count of Wuerttemberg (1439–1457) II. Louis (Orléans dükü) (1462–1515) II. Louis Count of Montpensier (1483–1501) II. Louis de la Trémoille (1460–1525), French general II. Louis Count Palatine of Zweibrücken (1502–1532) II. Lajos (Macaristan ve Bohemya kralı) (1506–1526) II. Louis Duke of Longueville (1510–1537) II. Louis Cardinal of Guise (1555–1588) II. Louis Count of Nassau-Weilburg (1565–1627) II. Louis de Bourbon, Prince de Condé (1621–1686), "the Great Condé" II. Louis Grand Duke of Hesse (1777–1848) II. Louis (Hollanda kralı) (1804–1831) II. Louis Grand Duke of Baden (1824–1858) II. Ludwig (Bavyera kralı) (1845–1886), "Deli Kral Ludwig" II. Louis (Monako prensi) (1870–1949) Luís Filipe, Prince Royal of Portugal (1887–1908), a.k.a. Louis Duke of Braganza XIII. Louis, 1610 yılından Fransa ile birleştiği 1620 yılına kadar II. Louis olarak Navarra kralı unvanını taşımıştır (1601–1643)