Could Leonidas be the perfect name for your baby boy? The baby boy name Leonidas is 8 letters long, and contains 4 vowel(s) and 4 consonant(s). Leonidas is a baby boy name that starts with the letter L and ends in the letter S. The baby boy name Leonidas has a popularity of 55% and is ranked 455 in the list of top 1000 most popular baby boy names. If Leonidas 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 Leonidas!