Oni is a distinctive girls' name in United States, ranking #7347 in 2017 with 16 recorded births. This places Oni in the top 40% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2020 with 17 births ranking #6850. In 2017, approximately 1 in every 107,867 girls born was named Oni. FALLING Recent data shows the name is currently falling.