Kazuki is a distinctive boys' name in United States, ranking #6640 in 2009 with 13 recorded births. The name reached its all-time peak in 1998 with 20 births ranking #3651. Since 1996, the popularity has decreased by 23.5%. In 2009, approximately 1 in every 152,562 boys born was named Kazuki. FALLING Recent data shows the name is currently falling.