Could Rosa be the perfect name for your baby girl? The baby girl name Rosa is 4 letters long, and contains 2 vowel(s) and 2 consonant(s). Rosa is a baby girl name that starts with the letter R and ends in the letter A. The baby girl name Rosa has a popularity of 36% and is ranked 639 in the list of top 1000 most popular baby girl names. If Rosa isn't the ideal name for your baby girl then take a look here for some randomly generated names. Hopefully you'll find a more suitable first name for your baby girl than Rosa!