The fifth-century BC site of Casas del Turunuelo in south-western Spain provides unique information on the production and ritual consumption of textiles in Iron Age Iberia. Casas del Turunuelo was a rural estate centre that was intentionally burned following a banquet and the sacrifice of over 50 domestic animals. Among the offerings are the earliest-known wool textiles and twill weaves on the Iberian Peninsula. This assemblage represents the most diverse textile collection found in the region to date, and provides the first glimpse of the role of textiles in the sacrificial economy of Iberia, and in prehistoric Europe more widely.