Boy Names That Start With A

Ranked in the United States in 2025, with birth trends and peak years.

A is the 2nd most common first initial for baby boys in the United States, with 34 A names in the top 300 for 2025, led by Asher (#28). Of those, Aziel is the fastest-growing, now 3.4 times as common as in 2020, while Atlas saw the largest increase in births, with 2,359 more babies receiving the name than in 2020.