Here you'll find the 74 best baby boy names that start with the letter O – modern, unique or classic, and from all over the world. Click on a name to see its origin, meaning, pronunciation, variants and statistical popularity.
Apart from masculine given names with O we also have girl names that start with O and unisex names that start with O. Check out all names beginning with O. Do have a look at all our male names, female names and gender-neutral names from A to Z. Or simply view all our names in the list first names.
Our name generator helps you find a specific name from the list or filters names based on popularity and character length.
Find more beautiful first names!
Download our free baby name app and swipe a wonderful name together with your partner!
Last updated: 9/15/2023