Tuan is a distinctive boys' name in United States, ranking #5377 in 2002 with 14 recorded births. The name reached its all-time peak in 2000 with 30 births ranking #2984. Since 1996, the popularity has decreased by 41.7%. In 2002, approximately 1 in every 138,677 boys born was named Tuan. FALLING Recent data shows the name is currently falling.