Espen is a distinctive boys' name in United States, ranking #5775 in 1997 with 10 recorded births. The name reached its all-time peak in 2015 with 37 births ranking #3099. Since 1996, the popularity has increased by 42.9%. In 1997, approximately 1 in every 188,509 boys born was named Espen. RISING Recent data shows the name is currently rising.