Tuan is a distinctive boys' name in United States, ranking #6435 in 2006 with 13 recorded births. The name reached its all-time peak in 2000 with 30 births ranking #2984. Since 1996, the popularity has decreased by 45.8%. In 2006, approximately 1 in every 158,086 boys born was named Tuan. FALLING Recent data shows the name is currently falling.