Boy Names That Start With O
3 of the 10 boy names beginning with O carry a US popularity rank, an unusually high share for one letter. Greek is the commonest root among them, and they are Oliver, Oscar and Owen among others. Another 8 are on the girl names page.
10 Boy Names Starting With O
| Name | Origin | Meaning |
|---|---|---|
| OliverPopular | Latin | Olive tree |
| Omar | Arabic/Hebrew | Flourishing, long-lived |
| Onyx | Greek | Black gemstone, claw |
| Orion | Greek | Hunter, rising in the sky |
| Orlando | Italian/Germanic | Famous throughout the land |
| OscarPopular | Irish/Old English | Friend of deer, divine spear |
| Oswald | Old English | Divine power, God's rule |
| Otto | Germanic | Wealth, prosperity |
| OwenPopular | Welsh | Young warrior, well-born |
| Odin | Norse | Fury, inspiration |
Explore boy names beginning with O — from the chart-topping peace of Oliver to the Scandinavian championship of Oscar and the Welsh nobility of Owen.
Popular Boy Names Starting With O
Boy names starting with O: FAQ
How many boy names start with O?
10, out of 19 names on the letter overall. That is what this catalogue holds today rather than every boy name in use anywhere — entries are added over time, and the figure is counted from the dataset, so it moves with it.
What are the most popular boy names starting with O?
3 of them are marked popular here: Oliver, Oscar, Owen. The mark follows the US Social Security Administration's published ranks, so it describes births in the United States rather than taste anywhere else.
Where can I see girl names starting with O?
8 girl names on this letter have their own list at /baby-names/letter/o/girl, and the combined page at /baby-names/letter/o shows all 19 together with their gender.