Koltan is a distinctive boys' name in United States, ranking #6618 in 2008 with 13 recorded births. This places Koltan in the top 45% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2013 with 20 births ranking #4727. Since 1996, the popularity has increased by 85.7%. In 2008, approximately 1 in every 156,919 boys born was named Koltan. FALLING Recent data shows the name is currently falling.