Could Ronan be the perfect name for your baby boy? The baby boy name Ronan is 5 letters long, and contains 2 vowel(s) and 3 consonant(s). Ronan is a baby boy name that starts with the letter R and ends in the letter N. The baby boy name Ronan has a popularity of 73% and is ranked 269 in the list of top 1000 most popular baby boy names. If Ronan 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 Ronan!