Alphonzo is a distinctive boys' name in United States, ranking #6334 in 2000 with 10 recorded births. The name reached its all-time peak in 1996 with 19 births ranking #3550. Since 1996, the popularity has decreased by 47.4%. In 2000, approximately 1 in every 196,393 boys born was named Alphonzo. RISING Recent data shows the name is currently rising.