Gustav is a distinctive boys' name in United States, ranking #3381 in 2021 with 34 recorded births. This places Gustav in the top 24% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2019 with 45 births ranking #2776. Since 1996, the popularity has increased by 21.4%. In 2021, approximately 1 in every 51,419 boys born was named Gustav. STABLE Recent data shows the name is currently stable.