Kazuki is a distinctive boys' name in United States, ranking #3929 in 1996 with 17 recorded births. This places Kazuki 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 1998 with 20 births ranking #3651. In 1996, approximately 1 in every 111,425 boys born was named Kazuki. FALLING Recent data shows the name is currently falling.