Aj

“Variant of Ajay — Unconquered; unsurpassed; invincible” — Sanskrit (via Hindi अजय / Ajay) origin

Boy's name · #1932 in the US (2025) · 2020s

Aj has appeared in US records since 1961 — best rank #1544 (1985) · 2,456 babies named Aj all-time · 1 in 20,000 boys born in 2025.

Around the world: about 1 in 1,100 boys in Ireland (2025) · about 1 in 3,900 boys in Scotland (2025) · about 1 in 15,000 boys in England & Wales (2025).

Appears in 2020-2025 birth records of 3 states. See the full state-by-state map on this page.

Famous Ajs

Aj Muhlach — musician
Aj Yaxjal B’aak — ajaw of Ixtutz

In stories & tradition

AJ Ahmed — EastEnders
AJ Chandler — All My Children
AJ Geils — Angie Tribeca

Browse more boy names — popularity, trends and eras for 5,700+ American names, free.