Nikki is a distinctive girls' name in United States, ranking #1377 in 2010 with 169 recorded births. The name reached its all-time peak in 1996 with 691 births ranking #385. Since 1996, the popularity has decreased by 75.5%. In 2010, approximately 1 in every 10,517 girls born was named Nikki. FALLING Recent data shows the name is currently falling.