Arlen is a distinctive boys' name in England & Wales, ranking #898 in 2024 with 35 recorded births. The name reached its all-time peak in 2021 with 57 births ranking #641. Since 1996, the popularity has increased by 600.0%. In 2024, approximately 1 in every 7,937 boys born was named Arlen. FALLING Recent data shows the name is currently falling.