Espen is a distinctive boys' name in United States, ranking #4566 in 2002 with 17 recorded births. The name reached its all-time peak in 2015 with 37 births ranking #3099. Since 1996, the popularity has increased by 142.9%. In 2002, approximately 1 in every 114,204 boys born was named Espen. RISING Recent data shows the name is currently rising.