Kazuki is a distinctive boys' name in United States, ranking #5426 in 2006 with 16 recorded births. This places Kazuki in the top 39% 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 2006, approximately 1 in every 128,445 boys born was named Kazuki. FALLING Recent data shows the name is currently falling.