Delgado is a common Spanish surname that originated from the Spanish word “delgado,” meaning thin or slender. It can be found all over the world, but is most prevalent in Spain and Latin America. The name may have originally referred to someone who was physically thin, or it could have been used as a nickname for someone who was perceived as cunning or sly. Today, many individuals with the surname Delgado have made significant contributions in fields such as politics, sports, and the arts.