Boy Names Starting with O: A Comprehensive Guide

Looking for the perfect name for your little boy that starts with the letter O? You've come to the right place! This list offers a diverse range of names, from classic and traditional to unique and modern, each with a special meaning that will make your son's name truly stand out. Explore our collection and find the perfect O name that resonates with your heart.
| Name | Meaning |
|---|---|
| **Oakes** | Oak tree; strong, steadfast |
| **Odell** | Rich meadow; prosperous |
| **Odin** | Old Norse god of war, wisdom, poetry, and death |
| **Ogden** | From a hill; high place |
| **Oliver** | Olive tree; peace, victory, strength |
| **Omar** | Arabic; flourishing |
| **Onassis** | Greek; donkey |
| **Oren** | Pine tree; strong, resilient |
| **Orin** | From the rising sun; light, hope |
| **Orion** | Greek; constellation |
| **Orson** | Bear cub |
| **Oscar** | God's spear; warrior |
| **Osborne** | God's protector |
| **Osgood** | Divine good; holy |
| **Oswald** | God's power; ruler |
| **Otto** | Wealthy; prosperous |
| **Owen** | Well-born; noble |
| **Onyx** | Gemstone; black, powerful |
| **Otis** | Wealthy; prosperous |
| **Oren** | Pine tree; strong, resilient |
| **Orin** | From the rising sun; light, hope |
| **Orion** | Greek; constellation |
| **Orson** | Bear cub |
| **Oscar** | God's spear; warrior |
| **Osborne** | God's protector |
| **Osgood** | Divine good; holy |
| **Oswald** | God's power; ruler |
| **Otto** | Wealthy; prosperous |
| **Owen** | Well-born; noble |
| **Odell** | Rich meadow; prosperous |
| **Odysseus** | Greek; angry |
| **Olaf** | Ancestor-heritage |
| **Oliver** | Olive tree; peace, victory, strength |
| **Omar** | Arabic; flourishing |
| **Oren** | Pine tree; strong, resilient |
| **Orson** | Bear cub |
| **Oscar** | God's spear; warrior |
| **Otis** | Wealthy; prosperous |
| **Ozzie** | Short form of Oswald; God's power; ruler |
| **Octavius** | Eighth; eighth born child |
| **Orville** | From the golden hill; prosperous |
| **Olan** | From the ancient Irish word for "descendant" |
| **Olin** | A descendant from the city of Olen; noble |
| **Osric** | God's strength; powerful |
| **Oswin** | Divine friend; blessed |