Koa is a boy name with a modern feel, drawn from real birth records. Below you'll find what Koa means and where it comes from, plus how many babies have been named Koa across the United States, UK, Ireland and New Zealand, how popular Koa has been over the decades, and the year it peaked.
Koa is a boy name of Hawaiian origin meaning “brave, warrior”. Also the name of a strong native Hawaiian hardwood tree.
| Country | Births on record |
|---|---|
| United States since 1880 | 8,548 births |
| England & Wales since 1996 | 1,150 births |
| Scotland since 1974 | 109 births |
| Northern Ireland since 1997 | 55 births |
| Ireland since 1964 | 100 births |
Counts come from official national birth-registration statistics: U.S. Social Security Administration, England & Wales (Office for National Statistics), Scotland (National Records of Scotland), Northern Ireland (NISRA), Ireland (Central Statistics Office) and New Zealand (Dept. of Internal Affairs). Coverage spans differ, so totals aren't directly comparable across countries.
Babies named Koa per year, United States (1978 to 2025). United States peaked in 2025 (1,413/yr) · England & Wales peaked in 2025 (273/yr) · Scotland peaked in 2025 (29/yr) · Ireland peaked in 2024 (17/yr) · Northern Ireland peaked in 2024 (14/yr).
Koa has been a fairly common baby name in the United States. It was most common in 2025, when it ranked #477 nationally (given to 1,730 babies that year).
Kai · Kay · Kaia · Coy · Kaya · Kia · Kya · Khai
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