| N A M E | O R I G I N | M E A N I N G |
| Ord | Anglo-Saxon | Spear. |
| Ordland | English | From the pointed hill. |
| Ordman | English | Spearman. |
| Ordmund | English | Spear defender. |
| Ordsone | English | Ormond's son. |
| Ordwald | English | Spear strength. |
| Ordway | Anglo-Saxon | Warrior armed with a spear. |
| Ordwin | English | Spear friend. |
| Ordwine | English | Spear friend. |
| Oreb | Biblical | A raven. |
| Oreias | Greek | From the mountain. |
| Orel | Russian | Eagle. |
| Orell | English | Ore hill. Both a surname and a place name. |
| Oren | Hebrew, Gaelic | ash-tree, pale; pine tree |
| Oreste | Greek | From the mountain. |
| Orestes | Greek | Mountain Man |
| Orford | English | From the cattle ford. |
| Orham | English | From tbe riverbank enclosure. |
| Ori | Hebrew | My light. |
| Orick | English | From the ancient oak tree. |
| Orik | English | From the ancient oak tree. |
| Orin | Celtic | White. |
| Oringo | African | He Who Likes the Hunt |
| Orion | Latin, Greek | dawn, east; son of fire, the hunter |
| Oris | Hebrew | Tree. |
| Orkény | Hungarian | frightening man |
| Orkény | Hungarian | frightening man |
| Orlan | English | From the pointed hill. |
| Orland | English | From the pointed hill. |
| Orlando | Latin | bright sun |
