Harlen is an American given name of uncertain origin, but it's believed to have been created as a variant spelling of Harold. It gained popularity in the United States during the mid-20th century and has since become somewhat less common. The name Harlen consists of four letters and has a strong, distinct sound.
Harlen experienced a significant increase in births from 2014 to 2023, with the number of annual births nearly doubling over this period. The years with the most births were 2022 and 2023, both having 16 births each.