What ethnicity is the last name Blanco?

The last name Blanco is of Spanish ethnicity and is one of the most common Hispanic surnames, originating in Spain. Blanco means white in Spanish and is of Spanish and Sephardic Jewish origin, originally given as a nickname surname in medieval Spain to someone with white hair, pale skin, white clothing, or who lived in a white house. The surname is found throughout the Spanish-speaking world, including Spain, Mexico, Argentina, Cuba, Puerto Rico, and the United States among Hispanic communities. It is also common among Sephardic Jews who adopted Spanish surnames. The name is ethnically Hispanic, specifically Spanish, part of the larger Iberian ethnic group. Variations include Bianco in Italian, Blanc in French, and Branco in Portuguese, all meaning white. In Mexico, Blanco is common and indicates Spanish colonial ancestry. In the US, people named Blanco are typically of Mexican, Puerto Rican, Cuban, or Spanish descent. The surname is ranked among the top 100 Hispanic surnames in the US. So ethnicity is Spanish, Hispanic, Latino, with roots in Spain, and indicates Iberian ancestry. It is not German, English, or Asian, it is Spanish. So Blanco is Spanish ethnicity, meaning white, originally describing someone with fair features, and is a classic Spanish descriptive surname.