Kostantinos is a male name of Greek origin. It is pronounced as koh-stahn-TEE-nohs (/koʃˈtaŋ.ti.nos/). The name has variations, such as Konstantinos. In the United States, Kostantinos has been given to newborn boys since at least the 1970s. While its popularity has varied over the years, it consistently appears in the top 15,000 most popular names. Kostantinos is a strong and classic name with historical associations, making it a great choice for parents looking for a timeless and meaningful name for their baby boy.