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)