The House of Osorio is a noble family from Spain, known for its historical significance and contributions to the Spanish aristocracy. The family has roots in the region of Castile and has produced several notable figures throughout history, including military leaders and politicians. Members of the House of Osorio have held various titles and estates, often linked to the Spanish Crown. Their influence extended beyond Spain, with connections to other European noble families, reflecting the intricate web of alliances and power dynamics in European history.