Nikki is a distinctive girls' name in United States, ranking #742 in 2002 with 328 recorded births. The name reached its all-time peak in 1996 with 691 births ranking #385. Since 1996, the popularity has decreased by 52.5%. In 2002, approximately 1 in every 5,478 girls born was named Nikki. FALLING Recent data shows the name is currently falling.