Kalen is a distinctive boys' name in United States, ranking #1385 in 2008 with 123 recorded births. The name reached its all-time peak in 1998 with 169 births ranking #859. Since 1996, the popularity has increased by 11.8%. In 2008, approximately 1 in every 16,585 boys born was named Kalen. RISING Recent data shows the name is currently rising.