Castillo is a Spanish surname that originated from the Latin word “castellum,” meaning “castle” or “fortress.” It is a common surname in Spanish-speaking countries and can be traced back to the medieval period. People with the surname Castillo are often associated with strength and fortitude. Some notable people with this surname include Mexican boxer Julio Cesar Chavez Castillo and Spanish footballer Sergio Ramos García. The surname Castillo is a reminder of the rich history and culture of the Spanish-speaking world.
