Alfonzo is a distinctive boys' name in United States, ranking #3953 in 2025 with 27 recorded births. The name reached its all-time peak in 1996 with 59 births ranking #1639. Since 1996, the popularity has decreased by 54.2%. In 2025, approximately 1 in every 63,262 boys born was named Alfonzo. RISING Recent data shows the name is currently rising.