Koa is a distinctive girls' name in England & Wales, ranking #2006 in 2025 with 14 recorded births. The name reached its all-time peak in 2023 with 14 births ranking #1959. In 2025, approximately 1 in every 18,092 girls born was named Koa. STABLE Recent data shows the name is currently stable.
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.