FIRST NAME
Koji
Koji is the 4,425th most common male first name in the United States, recorded for 1,232 men and boys in the latest Census. It is also given to 5 women and girls.
AS A MALE NAME · #4,425 TODAY
2020 CENSUS
1,232
living · #4,425
BABIES NAMED KOJI BY BIRTH YEAR · 1922–2025
202534
As a male name, Koji peaked in 2025, when 34 babies were named Koji (the #3412 male name that year).
SOURCE: SOCIAL SECURITY ADMINISTRATION (US BIRTHS)
AS A FEMALE NAME · #47,007 TODAY
2020 CENSUS
5
living · #47,007