Could Johan be the perfect name for your baby boy? The baby boy name Johan is 5 letters long, and contains 2 vowel(s) and 3 consonant(s). Johan is a baby boy name that starts with the letter J and ends in the letter N. The baby boy name Johan has a popularity of 40% and is ranked 598 in the list of top 1000 most popular baby boy names. If Johan 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 Johan!