Ngan is a distinctive girls' name in United States, ranking #12020 in 1998 with 7 recorded births. The name reached its all-time peak in 1999 with 11 births ranking #8635. Since 1996, the popularity has increased by 16.7%. In 1998, approximately 1 in every 252,413 girls born was named Ngan. FALLING Recent data shows the name is currently falling.