| Name | Meaning | Details |
|---|---|---|
| Orsin | Bear Cub | View Details |
| Orsina | Bear | View Details |
| Orsino | Bear | View Details |
| Orson | Bear Cub | View Details |
| Ortega | From Ortega | View Details |
| Ortiz | Son Of Orti | View Details |
| Orville | Golden Town | View Details |
| Orwa | Trouble During Pregnancy | View Details |
| Orya | Peace | View Details |
| Osama | Lion-Like | View Details |
| Osamu | Discipline | View Details |
| Osanna | Praise! | View Details |
| Osbert | God Bright | View Details |
| Osborn | God Bear | View Details |
| Osbourne | God Bear | View Details |