Could Dion be the perfect name for your baby boy? The baby boy name Dion is 4 letters long, and contains 2 vowel(s) and 2 consonant(s). Dion is a baby boy name that starts with the letter D and ends in the letter N. The baby boy name Dion has a popularity of 5% and is ranked 951 in the list of top 1000 most popular baby boy names. If Dion 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 Dion!