Could Kairo be the perfect name for your baby boy? The baby boy name Kairo is 5 letters long, and contains 3 vowel(s) and 2 consonant(s). Kairo is a baby boy name that starts with the letter K and ends in the letter O. The baby boy name Kairo has a popularity of 72% and is ranked 279 in the list of top 1000 most popular baby boy names. If Kairo 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 Kairo!