An Italian surname-name meaning red-haired or ruddy, from a descriptive family nickname.
Russo derives from the Italian and Spanish adjective meaning "red" — a reference to red hair or a ruddy complexion. As a surname it spread widely across southern Italy and the Italian diaspora, functioning as a medieval nickname for a red-haired ancestor, much as the French Rousseau and the English Russell share the same Latin root, russus, meaning reddish or fox-colored. The name carries the warmth of Mediterranean tradition and is one of the most common surnames in southern Italy, particularly in Campania and Sicily.
As a given name Russo is a newer development, part of a broader trend of Italian surnames migrating to the first-name position in the English-speaking world. It has a confident, monosyllabic punch that sits comfortably alongside names like Bruno and Marco. Culturally the name evokes Italian-American identity — think of the countless Russo families who shaped neighborhoods in New York, Chicago, and Boston.
The philosopher Jean-Jacques Rousseau and the American film producer and director brothers Anthony and Joe Russo (of Marvel Cinematic Universe fame) all share cognate roots, lending the name both intellectual and cinematic associations. In contemporary usage, Russo feels both rooted and modern, a surname-name that carries heritage without heaviness.