Dasan is a distinctive boys' name in United States, ranking #5020 in 2013 with 18 recorded births. This places Dasan in the top 36% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2005 with 43 births ranking #2579. In 2013, approximately 1 in every 105,070 boys born was named Dasan. FALLING Recent data shows the name is currently falling.