Thien is a distinctive boys' name in United States, ranking #5414 in 2022 with 18 recorded births. The name reached its all-time peak in 1996 with 42 births ranking #2072. Since 1996, the popularity has decreased by 57.1%. In 2022, approximately 1 in every 96,910 boys born was named Thien. FALLING Recent data shows the name is currently falling.