Koa is a moderately popular boys' name in United States, ranking #350 in 2022 with 941 recorded births. The name reached its all-time peak in 2025 with 1,281 births ranking #269. Since 1996, the popularity has increased by 5,435.3%. In 2022, approximately 1 in every 1,854 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.