Alonso de la Cerda was a Spanish nobleman and military leader known for his role during the late 15th century. He was a member of the House of Cerda, a prominent family in Spain, and played a significant part in the political and military affairs of his time, particularly during the Reconquista. De la Cerda is often remembered for his involvement in various military campaigns, including those against the Moors in the Iberian Peninsula. His contributions helped shape the political landscape of Spain as it transitioned into a unified kingdom under the Catholic Monarchs, Ferdinand II of Aragon and Isabella I of Castile.