Kostantinos is a distinctive boys' name in United States, ranking #10123 in 2002 with 6 recorded births. This places Kostantinos in the bottom 19% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2011 with 9 births ranking #8476. In 2002, approximately 1 in every 323,579 boys born was named Kostantinos. FALLING Recent data shows the name is currently falling.