Hiroki is a distinctive boys' name in United States, ranking #4463 in 2000 with 17 recorded births. This places Hiroki in the top 37% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1996 with 17 births ranking #3895. In 2000, approximately 1 in every 115,525 boys born was named Hiroki. RISING Recent data shows the name is currently rising.