Koltan is a distinctive boys' name in United States, ranking #7601 in 1996 with 7 recorded births. This places Koltan in the bottom 28% 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. In 1996, approximately 1 in every 270,605 boys born was named Koltan. FALLING Recent data shows the name is currently falling.