Alfonzo is a distinctive boys' name in United States, ranking #3643 in 2019 with 30 recorded births. The name reached its all-time peak in 1996 with 59 births ranking #1639. Since 1996, the popularity has decreased by 49.2%. In 2019, approximately 1 in every 59,779 boys born was named Alfonzo. RISING Recent data shows the name is currently rising.