Coltan is a distinctive boys' name in United States, ranking #4306 in 2003 with 19 recorded births. The name reached its all-time peak in 2009 with 44 births ranking #2761. Since 1996, the popularity has decreased by 36.7%. In 2003, approximately 1 in every 103,962 boys born was named Coltan. FALLING Recent data shows the name is currently falling.