Gianni is a distinctive girls' name in United States, ranking #1899 in 2007 with 109 recorded births. The name reached its all-time peak in 2021 with 253 births ranking #1010. Since 1996, the popularity has increased by 211.4%. In 2007, approximately 1 in every 17,637 girls born was named Gianni. FALLING Recent data shows the name is currently falling.