| Noah (1) | | NO-ə (English) | English, Biblical | |
| Noah (2) | | NO-ə (English) | Biblical | |
| Noe | | - | Biblical Latin, Biblical Greek | |
| Noemi | | naw-E-mee (Italian) | Italian, German, Czech, Biblical Latin | |
| Noemin | | - | Biblical Greek | |
| Nogah | | - | Biblical, Hebrew, Biblical Hebrew | |
| Obadiah | | o-bə-DIE-ə (English) | Biblical | |
| Obed | | O-bed (English) | Biblical, Biblical Latin, Biblical Greek | |
| Oded | | - | Biblical | |
| Ofir | | - | Hebrew, Biblical Hebrew | |
| 'Ofrah | | - | Biblical Hebrew | |
| Ohad | | - | Biblical | |
| Omar (2) | | - | Biblical | |
| Omri | | - | Biblical, Hebrew, Biblical Hebrew | |
| Onesimos | | - | Ancient Greek, Biblical Greek | |