Alfonzo is a distinctive boys' name in United States, ranking #2157 in 1998 with 42 recorded births. The name reached its all-time peak in 1996 with 59 births ranking #1639. Since 1996, the popularity has decreased by 28.8%. In 1998, approximately 1 in every 45,508 boys born was named Alfonzo. RISING Recent data shows the name is currently rising.