Bernard II may refer to:
Bernard II of Toulouse (died 877) Bernard II of Auvergne or Bernard Plantapilosa (died 885) Bernard II, Count of Laon (c. 845–<893) Bernard II, Duke of Saxony (died 1059) Bernard II Tumapaler of Gascony (1020 – after 1064) Bernard II of Besalú (died 1100) Bernard II de Balliol (died 1190) Bernard II, Lord of Lippe (c. 1140–1224) Bernhard II, Prince of Anhalt-Bernburg (c. 1260 – after 1323) Bernard II, Duke of Saxe-Lauenburg (c. 1385 — 1463) Bernard II, Duke of Brunswick-Lüneburg (c. 1437–1464) Bernardo II of Kongo (ruled 1614–1615) Bernhard II, Duke of Saxe-Jena (1638–1678) Bernhard II, Duke of Saxe-Meiningen (1800–1882) Bernard II of Werle (c. 1320–1382)