660births recorded
2Countries
1Variants
2025Peak · United States
#3379United States 2025
Koji is a boy name family recorded 660 times in 2 countries since 1922. It ranks highest today in the United States (#3379 in 2025). Its all-time peak was in the United States in 2025, at 1.0 births per 100,000.
Popularity by country
Births per 100,000 newborns, all forms of the name combined.
All forms of Koji
| Variants | Language | Total births | Country | Latest rank | Peak year | 10-year trend |
|---|---|---|---|---|---|---|
| Koji | English | 645 | 🇺🇸 United States | #3379 | 2025 | ▲ 124 % |
| Koji | English | 15 | 🏴 England & Wales | – | 2023 | – |
Questions about Koji
How popular is the name Koji?
In 2025 it ranked #3379 in the United States. Official registers record 660 births across 2 countries.
When was Koji most popular?
It peaked in the United States in 2025, at 1.0 births per 100,000.
Is Koji a boy or a girl name?
In official birth registers, Koji is a boy name.