Niki is a distinctive girls' name in United States, ranking #2078 in 1998 with 71 recorded births. The name reached its all-time peak in 1996 with 94 births ranking #1637. Since 1996, the popularity has decreased by 24.5%. In 1998, approximately 1 in every 24,886 girls born was named Niki. FALLING Recent data shows the name is currently falling.