Jianni is a distinctive girls' name in United States, ranking #9103 in 1999 with 10 recorded births. The name reached its all-time peak in 2021 with 34 births ranking #4198. Since 1996, the popularity has increased by 100.0%. In 1999, approximately 1 in every 177,378 girls born was named Jianni. STABLE Recent data shows the name is currently stable.