Beatrice de Frangepan (Croatian: Beatrica Frankopan, Hungarian: Frangepán Beatrix), (1480 – c. 27 March 1510) was a Croatian noblewoman, a member of the House of Frankopan that lived in the Kingdom of Croatia in personal union with Hungary. By marriage she was heiress of Hunyad Castle and Margravine of Brandenburg-Ansbach. Life Beatrice Frangipani was a daughter of Bernardin Frankopan, Knez (Prince) of Krk and Modruš (1453–1529) from his marriage to Donna Luisa Marzano d'Aragona, daughter of Giovanni Francesco Marino Marzano, Prince of Squillace. Her brother Christoph Frankopan (1482–1527) was Ban (Viceroy) of Croatia under the reign of the Hungarian king John Zápolya. Beatrice first married in 1496 to John Corvinus (1473–1504), an illegitimate son of King Matthias Corvinus of Hungary, with whom she had three children: Elisabeth (1496–1508). Christoph (1499–1505), the last of the House of Hunyadi Corvinus. Matthias (1504–1505). She was described as extremely beautiful and after her husband's death she inherited Hunyad Castle and she administered her children's estates. However, they both died young (probably poisoned), soon after their father.

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Beatrice de Frangepan (Croatian: Beatrica Frankopan, Hungarian: Frangepán Beatrix), (1480 – c. 27 March 1510) was a Croatian noblewoman, a member of the House of Frankopan that lived in the Kingdom of Croatia in personal union with Hungary. By marriage she was heiress of Hunyad Castle and Margravine of Brandenburg-Ansbach.