Ki is a distinctive boys' name in United States, ranking #13138 in 2015 with 5 recorded births. The name reached its all-time peak in 2002 with 20 births ranking #4128. Since 1996, the popularity has decreased by 28.6%. In 2015, approximately 1 in every 383,252 boys born was named Ki. RISING Recent data shows the name is currently rising.