Nikki is a distinctive girls' name in United States, ranking #812 in 2003 with 304 recorded births. The name reached its all-time peak in 1996 with 691 births ranking #385. Since 1996, the popularity has decreased by 56.0%. In 2003, approximately 1 in every 6,010 girls born was named Nikki. FALLING Recent data shows the name is currently falling.