| Orli | Woman | Hebrew Names |
| Orly | Unisex | Hebrew Names |
| Orma | Woman | African - Kenya Names |
| Ormand | Man | English Names |
| Ormanda | Woman | Irish Names |
| Ormond | Man | Irish Names |
| Orn | Man | Scandinavian Names |
| Orna | Woman | Hebrew Names |
| Ornella | Woman | Italian Names |
| Ornice | Woman | American Names |
| Oro | Man | Spanish Names |
| Orozco | Unisex | Spanish Names |
| Orpah | Woman | Hebrew Names |
| Orpheus | Man | Greek Names |
| Orquidea | Woman | Spanish Names |
| Orra | Woman | Scottish Names |
| Orrick | Man | English Names |
| Orrin | Man | Irish Names |
| Orrtha | Woman | American Names |
| Orsen | Man | English Names |