Gunnar is a distinctive boys' name in United States, ranking #541 in 2021 with 545 recorded births. The name reached its all-time peak in 2015 with 825 births ranking #388. Since 1996, the popularity has increased by 61.7%. In 2021, approximately 1 in every 3,208 boys born was named Gunnar. STABLE Recent data shows the name is currently stable.