| Illugi | - | Icelandic Name | Ilmari | - | Finnish Name |
| Iltan | - | Turkish Name | Iltekin | - | Turkish Name |
| Iluk | - | Eskimo Name | Iluminado | - | Philippines Name |
| ILYA | - | Russian Name | Ilya | - | Ukrainian Name |
| Ilyaas | - | Arabic Name | Ilyas | - | Muslim Name |
| Imaad | - | Muslim Name | Imaan | - | Muslim Name |
| IMAD | - | Muslim Name | Imad | - | Assyrian Name |
| IMAM | - | Muslim Name | Imam | - | Algerian Name |
| Iman | - | African Name | Iman | - | Hindu Name |
| Iman | - | Indonesian Name | Imane | - | Cameroon Name |
| Imanol | - | Basque Name | Imanuel | - | Hebrew Name |
| Imaran | - | Indian Name | Imari | - | West Indies Name |
| Imburt | - | Teutonic Name | Imhotep | - | West Indies Name |
| Imlah | - | Biblical Name | Immanuel | - | Biblical Name |
| Immer | - | Biblical Name | Imnah | - | Biblical Name |
| Imran | - | Muslim Name | Imre | - | Hungarian Name |
| Imri | - | Biblical Name | Imron | - | Indonesian Name |
| Imtiaz | - | Indian Name | Imtiyaz | - | Muslim Name |
| In-beom | - | Korean Name | In-gyu | - | Korean Name |
| In-ho | - | Korean Name |
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