Nikki is a distinctive boys' name in United States, ranking #8193 in 1998 with 7 recorded births. The name reached its all-time peak in 2012 with 14 births ranking #6214. Since 1996, the popularity has decreased by 12.5%. In 1998, approximately 1 in every 273,045 boys born was named Nikki. FALLING Recent data shows the name is currently falling.