Hernando del Pulgar (1436 – c. 1492), also spelled as Fernando de Pulgar, was a Castilian royal secretary, historian, and writer. He first served in the administration of Enrique IV of Castile and later was appointed by Isabel I to serve as her royal chronicler. His best known work, Claros varones de Castilia, presents a series of biographical sketches of some of the most important nobles and prelates of the era.