| Omari | Man | Hebrew Names |
| Omer | Man | Hebrew Names |
| Omri | Man | Hebrew Names |
| Onan | Man | Hebrew Names |
| Ophira | Woman | Hebrew Names |
| Ophrah | Man | Hebrew Names |
| Oprah | Woman | Hebrew Names |
| Or | Unisex | Hebrew Names |
| Orah | Woman | Hebrew Names |
| Oren | Man | Hebrew Names |
| Ori | Unisex | Hebrew Names |
| Orinda | Woman | Hebrew Names |
| Orit | Woman | Hebrew Names |
| Orli | Woman | Hebrew Names |
| Orly | Unisex | Hebrew Names |
| Orna | Woman | Hebrew Names |
| Orpah | Woman | Hebrew Names |
| Osher | Man | Hebrew Names |
| Osias | Man | Hebrew Names |
| Othniel | Man | Hebrew Names |