Jaso is a surname of Basque origin, derived from the Basque word jats meaning "sorghum," a type of cereal grass. The name likely originated as a toponymic or occupational surname, referring to someone who lived near a field of sorghum or worked with the crop. The variant form Jasso is also attested.In the United States, the surname Jaso is relatively uncommon. According to the 2010 United States Census, Jaso was the 23,737th most common surname, with 1,066 bearers. It is most prevalent among Hispanic/Latino individuals (79.36%) and White individuals (19.79%). The presence of the surname in Hispanic communities may reflect Basque immigration to Latin American countries, from where some later migrated to the United States.Outside the Basque context, Jaso also appears as a given name in the Neapolitan language. In Neapolitan, Jaso (pronounced [ˈjaːsə]) is a male given name inherited from Latin Blasius, equivalent to English Blaise or French Blaise. This unrelated meaning underscores the diverse onomastic traditions in which the name has been used.Meaning: "sorghum" (Basque)Origin: BasqueType: SurnameUsage: Basque, Hispanic/Latino communities in the USRelated names: Jasso