Markos is the Greek form of Marcus or Mark, traditionally linked to Mars, the Roman god of war.
Markos is the Greek form of Marcus — a name whose origins trace to ancient Rome, where it was one of the most common patrician praenomina (personal names). The Latin *Marcus* is traditionally linked to *Mars*, the Roman god of war, though scholars debate whether the connection is etymological or folk-etymological. What is certain is that Marcus and its cognates spread across the Roman world with extraordinary reach: it became Mark in English, Marco in Italian, Marcos in Spanish and Portuguese, Markus in German and Scandinavian languages, and Markos in Greek.
The Greek form Markos is most prominently associated with Saint Mark the Evangelist, the author of the second Gospel and the patron saint of Venice, Egypt, and the Coptic Church. His lion symbol — adopted from the Book of Revelation's four living creatures — became one of the most recognizable emblems of medieval Christian art, and the Basilica di San Marco in Venice still proclaims his name to millions of visitors every year. In the Eastern Orthodox and Coptic traditions, Markos remains the canonical form of the name, connecting bearers directly to the evangelist's Greek-language gospel.
In contemporary usage, Markos serves as a marker of Greek or Hellenized Mediterranean heritage, chosen by families who want to preserve the Greek form rather than adopting the anglicized Mark or the Italian Marco. It has gained modest visibility in the United States and United Kingdom through Greek-American and Greek-Australian communities, and occasionally appears among parents drawn to classically rooted names with a strong phonetic character. The *-os* ending gives the name an unmistakably Hellenic signature, a small but meaningful signal of cultural pride and historical connection.