Ngan is a distinctive girls' name in United States, ranking #10479 in 2004 with 10 recorded births. The name reached its all-time peak in 1999 with 11 births ranking #8635. Since 1996, the popularity has increased by 66.7%. In 2004, approximately 1 in every 183,612 girls born was named Ngan. FALLING Recent data shows the name is currently falling.