Could Gustavo be the perfect name for your baby boy? The baby boy name Gustavo is 7 letters long, and contains 3 vowel(s) and 4 consonant(s). Gustavo is a baby boy name that starts with the letter G and ends in the letter O. The baby boy name Gustavo has a popularity of 38% and is ranked 625 in the list of top 1000 most popular baby boy names. If Gustavo 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 Gustavo!