Gunnar is a distinctive boys' name in United States, ranking #612 in 2025 with 462 recorded births. The name reached its all-time peak in 2015 with 825 births ranking #388. Since 1996, the popularity has increased by 37.1%. In 2025, approximately 1 in every 3,697 boys born was named Gunnar. STABLE Recent data shows the name is currently stable.