Kiyoshi is a distinctive boys' name in United States, ranking #9124 in 1998 with 6 recorded births. The name reached its all-time peak in 1996 with 16 births ranking #4112. Since 1996, the popularity has decreased by 62.5%. In 1998, approximately 1 in every 318,553 boys born was named Kiyoshi. FALLING Recent data shows the name is currently falling.