Nikki is a distinctive boys' name in United States, ranking #12133 in 2008 with 6 recorded births. This places Nikki in the bottom 17% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2012 with 14 births ranking #6214. Since 1996, the popularity has decreased by 25.0%. In 2008, approximately 1 in every 339,991 boys born was named Nikki. FALLING Recent data shows the name is currently falling.