Alphonso is a distinctive boys' name in United States, ranking #4712 in 2025 with 21 recorded births. The name reached its all-time peak in 1996 with 83 births ranking #1314. Since 1996, the popularity has decreased by 74.7%. In 2025, approximately 1 in every 81,337 boys born was named Alphonso. STABLE Recent data shows the name is currently stable.