Koltan is a distinctive boys' name in United States, ranking #5804 in 2007 with 15 recorded births. This places Koltan in the top 40% 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 2007, approximately 1 in every 138,349 boys born was named Koltan. FALLING Recent data shows the name is currently falling.