Alfonzo is a distinctive boys' name in United States, ranking #2196 in 2002 with 48 recorded births. The name reached its all-time peak in 1996 with 59 births ranking #1639. Since 1996, the popularity has decreased by 18.6%. In 2002, approximately 1 in every 40,447 boys born was named Alfonzo. RISING Recent data shows the name is currently rising.