Kazuki is a distinctive boys' name in United States, ranking #10106 in 2015 with 7 recorded births. The name reached its all-time peak in 1998 with 20 births ranking #3651. Since 1996, the popularity has decreased by 58.8%. In 2015, approximately 1 in every 273,751 boys born was named Kazuki. FALLING Recent data shows the name is currently falling.