Nikki is a distinctive girls' name in United States, ranking #863 in 2004 with 285 recorded births. The name reached its all-time peak in 1996 with 691 births ranking #385. Since 1996, the popularity has decreased by 58.8%. In 2004, approximately 1 in every 6,443 girls born was named Nikki. FALLING Recent data shows the name is currently falling.