Koa is a distinctive girls' name in United States, ranking #1588 in 2025 with 132 recorded births. The name reached its all-time peak in 2024 with 136 births ranking #1563. In 2025, approximately 1 in every 12,176 girls 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.