Could River be the perfect name for your baby boy? The baby boy name River is 5 letters long, and contains 2 vowel(s) and 3 consonant(s). River is a baby boy name that starts with the letter R and ends in the letter R. The baby boy name River has a popularity of 90% and is ranked 105 in the list of top 1000 most popular baby boy names. If River 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 River!