From Greek 'andreios' meaning manly or brave; the original form of Andrew.
Andreas is the Greek form of a name built from andreios, meaning manly, brave, or warrior-like, and it belongs to the same family as Andrew, Andre, Anders, and Andres. Its oldest roots reach back to the Greek aner, meaning man. Because of the apostle Saint Andrew, the name spread widely through Christian Europe, and Andreas became the preferred form in Greek, German, Scandinavian, and many Central and Eastern European traditions.
It is one of those names that has traveled far without losing its classical dignity. The name carries significant historical and cultural weight. Saint Andrew, one of the earliest disciples of Jesus, gave the whole name family immense religious prestige, and his patronage shaped national identities in places such as Scotland and Greece.
Andreas has also been borne by scientists, artists, and scholars across Europe, including the anatomist Andreas Vesalius, one of the great figures in medical history. In literature and philosophy, the name often appears attached to serious, cultivated men, reinforcing its intellectual and continental image. Over time, Andreas has remained more formal and international than Andrew in English-speaking settings.
That difference affects perception: Andrew may feel familiar and everyday, while Andreas feels classical, European, and slightly more dramatic. In recent decades, increased global exchange has made names like Andreas more accessible outside their traditional homes, so it now reads less as foreign and more as cosmopolitan. Its appeal lies in that blend of antiquity and clarity. It is ancient without sounding dusty, strong without being blunt, and elegant without sacrificing substance.