| 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 |
| Ovadia | Man | Hebrew Names |
| Oved | Man | Hebrew Names |
| Oz | Unisex | Hebrew Names |
| Ozer | Man | Hebrew Names |
| Oziel | Man | Hebrew Names |