Dillen is a unisex name of English origin. It is pronounced as DIL-en (/ˈdɪlən/). The name Dillen is a variation of the more popular name Dylan. In terms of popularity, the name Dillen has been steadily used for newborns in the United States over the years. It ranked 12th in 2016 with 6 occurrences, and it consistently appeared in the top 40 until 2004. Since then, its usage has slightly declined but has remained relatively steady. The name Dillen carries a sense of strength and independence, making it a great choice for parents looking for a unique yet familiar name for their baby.