Jianni is a distinctive girls' name in United States, ranking #16327 in 2008 with 6 recorded births. The name reached its all-time peak in 2021 with 34 births ranking #4198. Since 1996, the popularity has increased by 20.0%. In 2008, approximately 1 in every 315,120 girls born was named Jianni. STABLE Recent data shows the name is currently stable.