Alfonzo is a distinctive boys' name in United States, ranking #4108 in 2017 with 25 recorded births. The name reached its all-time peak in 1996 with 59 births ranking #1639. Since 1996, the popularity has decreased by 57.6%. In 2017, approximately 1 in every 74,013 boys born was named Alfonzo. RISING Recent data shows the name is currently rising.