Yianni is a distinctive boys' name in United States, ranking #5831 in 1998 with 11 recorded births. The name reached its all-time peak in 2011 with 22 births ranking #4500. Since 1996, the popularity has decreased by 21.4%. In 1998, approximately 1 in every 173,756 boys born was named Yianni. RISING Recent data shows the name is currently rising.