Galactorius of Lescar was a 5th-century Catholic priest and bishop who served the diocese of Lescar. He is historically documented as a participant in the Council of Agde in 506, where he was identified as the bishop of Benarno. While his administrative leadership of the diocese is recognized, his death in Mimizan around 507 remains a subject of historical debate, involving both legendary accounts of martyrdom and more probable scenarios of conflict during the Frankish expansion.