Juan Alfonso de Baena

Juan Alfonso de Baena (c. 1375 – c. 1434) was a Castilian troubadour. Born at Baena, he served as escribano escribiente (notarial secretary) at the court of John II of Castile. He was a Marrano. Thus, he was also called "Judino."

Under the title Cancionero de Baena, he collected poetry written during the reigns, and at the courts of, John I of Castile, Henry III of Castile, and John II. These included the works of many Marranos.