Could Bo be the perfect name for your baby boy? The baby boy name Bo is 2 letters long, and contains 1 vowel(s) and 1 consonant(s). Bo is a baby boy name that starts with the letter B and ends in the letter O. The baby boy name Bo has a popularity of 46% and is ranked 537 in the list of top 1000 most popular baby boy names. If Bo 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 Bo!