Hiroki is a distinctive boys' name in United States, ranking #7392 in 2009 with 11 recorded births. The name reached its all-time peak in 1996 with 17 births ranking #3895. Since 1996, the popularity has decreased by 35.3%. In 2009, approximately 1 in every 180,300 boys born was named Hiroki. RISING Recent data shows the name is currently rising.