Bernard IV may refer to:
- Bernard IV, Count of Armagnac 1160–1188
- Bernard IV, Lord of Lippe (c. 1230–1275)
- Bernard IV Jordan of L'Isle-Jourdain (died 1340)
- Bernard IV, Margrave of Baden-Durlach (1517–1553)
This disambiguation page lists articles about people with the same name.
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