Nikki is a distinctive girls' name in United States, ranking #1308 in 2008 with 191 recorded births. The name reached its all-time peak in 1996 with 691 births ranking #385. Since 1996, the popularity has decreased by 72.4%. In 2008, approximately 1 in every 9,899 girls born was named Nikki. FALLING Recent data shows the name is currently falling.