Bernhard III

Bernhard III may refer to:

• Bernard III, Duke of Saxony (c. 1140–1212)
• Bernhard III, Prince of Anhalt-Bernburg (died 1348), German prince of the House of Ascania
• Bernhard III of Trent (1484–1539)
• Bernhard III, Duke of Saxe-Meiningen (1851–1928), last reigning duke of Saxe-Meiningen
• Bernhard III, Margrave of Baden-Baden (1474–1536), inherited in 1515 part of his father's margraviate of Baden

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