Nikki is a distinctive boys' name in United States, ranking #5551 in 1997 with 11 recorded births. The name reached its all-time peak in 2012 with 14 births ranking #6214. Since 1996, the popularity has increased by 37.5%. In 1997, approximately 1 in every 171,372 boys born was named Nikki. FALLING Recent data shows the name is currently falling.