| Name | Meaning | Details |
|---|---|---|
| Olivier | "Elf Warrior Or Ancestors Descendant" | View Details |
| Olof | "Ancestors Heir" | View Details |
| Olsen | Son Of Olaf | View Details |
| Olson | Son Of Olaf | View Details |
| Omar | Long Life | View Details |
| Omarion | Combination Of Omar And -ion | View Details |
| Omer | Bundle Of Corn | View Details |
| Ometaway | One Who Gambles | View Details |
| Omolara | Born At The Right Time | View Details |
| Onella | Torch Light | View Details |
| Oni | Born On Holy Ground | View Details |
| Onofre | Peace Warrior | View Details |
| Onslow | Hill Of The Passionate One | View Details |
| Onufry | Grazing Donkey | View Details |
| Onur | Honor | View Details |
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