Karoline is a distinctive girls' name in United States, ranking #1718 in 2025 with 119 recorded births. The name reached its all-time peak in 2017 with 139 births ranking #1575. Since 1996, the popularity has increased by 58.7%. In 2025, approximately 1 in every 13,506 girls born was named Karoline. RISING Recent data shows the name is currently rising.