| Name | Meaning | Details |
|---|---|---|
| Orna | Pine | View Details |
| Ornella | Flowering Ash Tree | View Details |
| Ornice | Combination Of Ornella And Janice | View Details |
| Orozco | From Orozco | View Details |
| Orpheus | Unknown Meaning | View Details |
| Ortega | From Ortega | View Details |
| Orwa | Trouble During Pregnancy | View Details |
| Osamu | Discipline | View Details |
| Osceola | Black Drink Bellower | View Details |
| Osher | Happiness | View Details |
| Ossie | Diminutive Form Of Names Beginning With Os | View Details |
| Othello | Of Unknown Meaning | View Details |
| Overton | From The Riverbank Town | View Details |
| Oxford | From The Oak Valley | View Details |
| Oya | Wind Warrior Goddess | View Details |