Gianni is a distinctive girls' name in United States, ranking #3335 in 2013 with 48 recorded births. The name reached its all-time peak in 2021 with 253 births ranking #1010. Since 1996, the popularity has increased by 37.1%. In 2013, approximately 1 in every 36,550 girls born was named Gianni. FALLING Recent data shows the name is currently falling.