Alfonzo is a distinctive boys' name in United States, ranking #2925 in 2003 with 33 recorded births. The name reached its all-time peak in 1996 with 59 births ranking #1639. Since 1996, the popularity has decreased by 44.1%. In 2003, approximately 1 in every 59,857 boys born was named Alfonzo. RISING Recent data shows the name is currently rising.