Castillo (Spanish for "castle") may refer to:

People

* Castillo (surname)

Places

Geography

Dominican Republic

* Castillo, Dominican Republic, a town in Duarte Province, Dominican Republic

Nicaragua

* El Castillo (municipality), a municipality in the Río San Juan department * El Castillo (village), a village in the Río San Juan department * Montealegre del Castillo, a municipality in Albacete, Castile-La Mancha

Spain

* Castillo, Álava, a village in the Basque Country * Castillo-Albaráñez, a municipality in Cuenca, Castile-La Mancha * Castillo de Garcimuñoz, a municipality in Cuenca, Castile-La Mancha * Castillo-Nuevo, a town in Navarre

Man-made structures

* Castillo de Chapultepec, palace on Chapultepec Hill, located in the middle of Chapultepec Park in Mexico City * Castillo de Guzman, castle in Tarifa, Spain * Castillo de Jagua, fortress near Cienfuegos Bay, Cuba * Castillo de San Marcos, old Spanish fort in St. Augustine, Florida, USA * El Castillo, Chichen Itza, Mayan step-pyramid in Chichen Itza Yucatán, Mexico

Arts, entertainment, and media

* El Castillo de los Monstruos (disambiguation), ''El Castillo de los Monstruos'' (disambiguation), multiple films * ''El Castillo Interior'', 1577 novel by Saint Teresa of Avila], multiple films

Other uses

* Cad. FAP Guillermo del Castillo Paredes Airport, airport serving Tarapoto, Peru * ''Castillo v. Texas'', 2000 Texas court case regarding the sale of pornography * Castillo CF, football team from Gran Canaria, Canary Islands