FIRST NAME
Koi
Koi is the 8,691st most common male first name in the United States, recorded for 486 men and boys in the latest Census. It is also given to 355 women and girls.
AS A MALE NAME · #8,691 TODAY
2020 CENSUS
486
living · #8,691
BABIES NAMED KOI BY BIRTH YEAR · 1995–2025
202540
As a male name, Koi peaked in 2022, when 64 babies were named Koi (the #2259 male name that year).
SOURCE: SOCIAL SECURITY ADMINISTRATION (US BIRTHS)
AS A FEMALE NAME · #16,375 TODAY
2020 CENSUS
355
living · #16,375
BABIES NAMED KOI BY BIRTH YEAR · 1999–2025
202584
As a female name, Koi peaked in 2025, when 84 babies were named Koi (the #2207 female name that year).
SOURCE: SOCIAL SECURITY ADMINISTRATION (US BIRTHS)