Nkosi is a distinctive boys' name in United States, ranking #13466 in 2014 with 5 recorded births. The name reached its all-time peak in 2001 with 39 births ranking #2515. Since 1996, the popularity has decreased by 64.3%. In 2014, approximately 1 in every 384,088 boys born was named Nkosi. RISING Recent data shows the name is currently rising.