Klaus is a distinctive boys' name in United States, ranking #2245 in 2025 with 63 recorded births. This places Klaus in the top 16% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2022 with 84 births ranking #1877. Since 1996, the popularity has increased by 950.0%. In 2025, approximately 1 in every 27,112 boys born was named Klaus. STABLE Recent data shows the name is currently stable.