Koltan is a distinctive boys' name in United States, ranking #5914 in 2010 with 15 recorded births. This places Koltan in the top 41% 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 114.3%. In 2010, approximately 1 in every 127,894 boys born was named Koltan. FALLING Recent data shows the name is currently falling.