Bernard I
# Bernard I

Bernard I (or Bernardo, Bernhard) may refer to:

* Bernard of Septimania, also known as Bernard I of Toulouse (born 795)
* Bernard I of Poitiers (died 844)
* Bernard I of Armagnac (died 995), called 'the Suspicious', first duke of Armagnac
* Bernard I William of Gascony (died c. 1009)
* Bernard I, Duke of Saxony (died 1011)
* Bernard I of Bigorre, (962–1034)
* Bernard I of Berga, count of Berga in 1035–1050
* Bernard II Tumapaler of Gascony (died 1064x1090), sometimes counted as Bernard I
* Bernard I de Balliol (died 1164)
* Bernard I, Margrave of Baden-Baden (died 1431)
* Bernard I, Duke of Brunswick-Lüneburg (died 1434)
* Bernardo I of Kongo (died 1567)
