| Baby Name | Gender | Meaning | Origin |
| Obadiah | M | Serves God | Hebrew |
| Obediah | M | Serves God | Hebrew |
| Oded | M | Encourages | Hebrew |
| Odeda | F | Strong | Hebrew |
| Odede | F | Strong | Hebrew |
| Ofer | M | Fawn | Hebrew |
| Ofer | M | Fawn | Hebrew |
| Ofra | F | Fawn | Hebrew |
| Oma | F | Reverent | Hebrew |
| Omah | F | Cedar tree | Hebrew |
| Omar | M | Reverent | Hebrew |
| Omeet | M | My light | Hebrew |
| Omet | M | My light | Hebrew |
| Omette | F | Cedar tree | Hebrew |
| Ona | F | Graceful | Hebrew |
| Onit | F | Graceful | Hebrew |
| Ophra | F | Fawn | Hebrew |
| Ophrah | F | Fawn | Hebrew |
| Ophrah | F | Fawn | Hebrew |
See Also: List Of A to Z Hebrew And Jewish Names And Their Meanings
| Baby Name | Gender | Meaning | Origin |
| Oprah | F | Fawn | Hebrew |
| Ora | F | The Lord is my light | Hebrew |
| Orah | F | The Lord is my light | Hebrew |
| Orah | F | The Lord is my light | Hebrew |
| Oralee | F | The Lord is my light | Hebrew |
| Orali | F | Light | Hebrew |
| Oren | M | Tree | Hebrew |
| Ori | M | My light | Hebrew |
| Orin | M | Tree | Hebrew |
| Oris | M | Tree | Hebrew |
| Orlee | F | Light | Hebrew |
| Ornetta | F | Cedar tree | Hebrew |
| Orzora | F | God’s strength | Hebrew |
| Orzsebet | F | Devoted to God | Hebrew |
| Osip | M | God will multiply or God will add | Russian |
| Ovadiah | M | Servant of God | Hebrew |
| Ovadya | M | Serves God | Hebrew |
| Oved | M | Worship | Hebrew |
| Ovid | M | Worker | Unknown |
| Ozera | F | Treasure | Hebrew |
| Ozi | M | Strong | Hebrew |
| Ozzi | M | Strong | Hebrew |
| Ozzie | M | Strong | Hebrew |