Koa is a moderately popular boys' name in England & Wales, ranking #316 in 2022 with 143 recorded births. The name reached its all-time peak in 2025 with 259 births ranking #199. In 2022, approximately 1 in every 1,989 boys born was named Koa. RISING Recent data shows the name is currently rising.
Koa is a Hawaiian name often linked with bravery or the idea of a warrior. It also carries a natural association through the koa tree, which adds to its appeal.
The name has grown in modern use because it is brief, warm, and very image-rich. Its natural and heroic associations help it feel calm and strong at the same time.