| Name | Meaning | Details |
|---|---|---|
| Ochola | Father Died While Mother Was Pregnant | View Details |
| Okoth | Born When It Was Raining | View Details |
| Olabisi | Increased Honors | View Details |
| Oliana | My God Has Answered | View Details |
| Ominotago | Pleasant Voice | View Details |
| Onslow | Hill Of The Passionate One | View Details |
| Ornella | Flowering Ash Tree | View Details |
| Orsen | Bear Cub | View Details |
| Orsin | Bear Cub | View Details |
| Orsina | Bear | View Details |
| Orsino | Bear | View Details |
| Orson | Bear Cub | View Details |
| Osborn | God Bear | View Details |
| Osbourne | God Bear | View Details |
| Osman | Tender As A Youth | View Details |