Oscar, Oliver, Otis, Owen … There is no shortage of baby boy names that start with the letter O. Here’s a great list of options to help you find the perfect for your little boy.
Modern Baby Boy Names Starting with O
First we’ll start with the most popular baby boy names in 2021:
- Oziel
- Ozias
- Oseias
- Oakland
- Orson
- Obadiah
- Owen — Owen was a first name prior to the Renaissance and in modern times. It found its use as a surname, however, during the Renaissance in Wales.
- Ozzy
- Oliver — Oliver was a name that was widely popular in the middle ages, but as soon as Oliver Cromwell came to office, it declined quickly. Now it is on the rise again with the popularity of vintage names.
- Olin
- Oscar
- Omar
- Onyx
- Ocean
- Osiel
- Ollie
- Osbaldo
- Osiris
- Osmar
- Omarion
- Obed
- Osman
- Oakley
- Oswaldo
- Om
- Oren
- Orion — Orion was a legendary hunter in Greek myth that was punished by the gods for boasting he would kill all living things on Earth. He was killed by a giant scorpion and was turned into a constellation of stars by either Artemis or Zeus, depending on the version of the story.
- Orlando
- Oskar
- Odin
- Otto
- Omari
- Osvaldo
- Otis
- Octavio
Unique Baby Boy Names Starting With O
While it’s fun to see what lots of other people are naming their babies, many people prefer to find baby names that are more uncommon. To that end, below is the some of the more unusual & unique boy names that start with O:
No unique O names yet but we’re adding new ones every day!
Did you find any winners in the list of rare boy names that start with O? If not, don’t worry! We have thousands more names on the site to choose from. Be sure to check out all baby names that start with Oas well as middle names that start with O.
Pregnancy