Castrillo may refer to:PeopleCarlos Castrillo, football player Demetrio Alonso Castrillo (1841–1916), politician and lawyer Eduardo Castrillo, sculptor Lourdes Castrillo Brillantes, author Roberto Castrillo (1941–2026), Cuban Olympic sport shooterPlacesCastrillo de Cabrera Castrillo de Don Juan Castrillo de Onielo Castrillo de Riopisuerga Castrillo de Villavega Castrillo de la Guareña Castrillo de la Reina Castrillo de la Valduerna Castrillo de la Vega Castrillo del Val Castrillo Mota de Judíos