Onna is a distinctive girls' name in United States, ranking #7175 in 2021 with 16 recorded births. The name reached its all-time peak in 2015 with 33 births ranking #4376. Since 1996, the popularity has increased by 166.7%. In 2021, approximately 1 in every 102,482 girls born was named Onna. RISING Recent data shows the name is currently rising.