Nikki is a distinctive girls' name in United States, ranking #2290 in 2018 with 80 recorded births. The name reached its all-time peak in 1996 with 691 births ranking #385. Since 1996, the popularity has decreased by 88.4%. In 2018, approximately 1 in every 21,255 girls born was named Nikki. FALLING Recent data shows the name is currently falling.