| Omari | - | Algerian Name | Omaril | - | Cyprien Name |
| Omarion | - | West Indies Name | Omaris | - | Phoenician Name |
| Omarjeet | - | Hindu Name | Omawnakw | - | American Name |
| Omelian | - | Ukrainian Name | Omelio | - | West Indies Name |
| Omelko | - | Ukrainian Name | Omer | - | Algerian Name |
| Omeriel | - | Phoenician Name | Omesa | - | Hindu Name |
| Omeshwar | - | Hindu Name | Ominotago | - | American Name |
| Omirel | - | Cyprien Name | Omja | - | Indian Name |
| Omja | - | Hindu Name | Omkar | - | Indian Name |
| Omkar | - | Hindu Name | Omkarnath | - | Hindu Name |
| Ommar | - | Algerian Name | Ompati | - | Hindu Name |
| Omprakash | - | Indian Name | Omprakash | - | Hindu Name |
| Omrao, Umrao | - | Indian Name | Omrao, umrao | - | Hindu Name |
| Omri | - | Biblical Name | Omswaroop | - | Indian Name |
| Omswaroop | - | Hindu Name | On | - | Chinese Name |
| On-dal | - | Korean Name | On-woo | - | Korean Name |
| Onam, Onan | - | Biblical Name | Onan | - | Turkish Name |
| Onaona | - | Polynesian Name | Onat | - | Turkish Name |
| Onchai | - | Thai Name | Ondrus | - | Czechoslovakian Name |
| ONESIMUS | - | Russian Name | Onesimus | - | Biblical Name |
| Onesiphorus | - | Biblical Name | Ongart | - | Thai Name |
| Oni | - | Hindu Name | Oniel | - | West Indies Name |
| ONISIM | - | Russian Name |
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