| Name | Meaning | Details |
|---|---|---|
| Oria | Form Of Aurea | View Details |
| Orien | The Orient | View Details |
| Orlando | From Glorious Land | View Details |
| Ornice | Combination Of Ornella And Janice | View Details |
| Orozco | From Orozco | View Details |
| Orquidea | Orchid Flower | View Details |
| Orrick | Sword Ruler | View Details |
| Ortega | From Ortega | View Details |
| Ortiz | Son Of Orti | View Details |
| Osmond | God Protector | View Details |
| Osmundo | Protector | View Details |
| Ossie | Diminutive Form Of Names Beginning With Os | View Details |
| Otieno | Born At Night | View Details |
| Ouida | Famous Warrior | View Details |
| Oved | Worker | View Details |