boy name
Koa
Gender
Boy
Popularity
#269 · U.S. boys (2025)
Popularity of Koa in the US, 1880–2025
Koa first appears in US records in 1978. It peaked in 2025, when 1,281 boys were given the name; in 2025 there were 1,281.
Source: US Social Security Administration.
Frequently asked questions
Is Koa a boy or a girl name?
Koa is most commonly used as a boy name.
How popular is the name Koa?
In 2025, Koa ranked #269 among boys’ names in the United States, according to U.S. Social Security Administration data.
When was the name Koa most popular?
Koa was most popular in 2025, when about 1,281 US babies were given the name that year, according to US Social Security Administration records.