Ki is a distinctive boys' name in United States, ranking #11415 in 2006 with 6 recorded births. The name reached its all-time peak in 2002 with 20 births ranking #4128. Since 1996, the popularity has decreased by 14.3%. In 2006, approximately 1 in every 342,520 boys born was named Ki. RISING Recent data shows the name is currently rising.