Kosmos is a distinctive boys' name in United States, ranking #13390 in 2017 with 5 recorded births. This places Kosmos in the bottom 6% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2017 with 5 births ranking #13390. In 2017, approximately 1 in every 370,063 boys born was named Kosmos. STABLE Recent data shows the name is currently stable.