Alfonzo is a distinctive boys' name in United States, ranking #3865 in 2013 with 26 recorded births. The name reached its all-time peak in 1996 with 59 births ranking #1639. Since 1996, the popularity has decreased by 55.9%. In 2013, approximately 1 in every 72,741 boys born was named Alfonzo. RISING Recent data shows the name is currently rising.