Hiroki is a distinctive boys' name in United States, ranking #8579 in 2005 with 8 recorded births. The name reached its all-time peak in 1996 with 17 births ranking #3895. Since 1996, the popularity has decreased by 52.9%. In 2005, approximately 1 in every 249,643 boys born was named Hiroki. RISING Recent data shows the name is currently rising.