Could Kylen be the perfect name for your baby boy? The baby boy name Kylen is 5 letters long, and contains 1 vowel(s) and 4 consonant(s). Kylen is a baby boy name that starts with the letter K and ends in the letter N. The baby boy name Kylen has a popularity of 10% and is ranked 900 in the list of top 1000 most popular baby boy names. If Kylen isn't the ideal name for your baby boy then take a look here for some randomly generated names. Hopefully you'll find a more suitable first name for your baby boy than Kylen!