| I-seul | - | Korean Name | Iago | - | Portuguese Name |
| Iain | - | Gaelic Name | Iakai | - | West Indies Name |
| Iakina | - | Polynesian Name | Iakopa | - | Polynesian Name |
| Iamar | - | Algerian Name | Ian | - | English Name |
| Iana | - | Philippines Name | Iana | - | Latin Name |
| Ianangai | - | Hindu Name | Ianna | - | American Name |
| Iannah | - | English Name | Ianthe | - | Greek Name |
| Iara | - | Portuguese Name | Iarl | - | Norse Name |
| Ibaad | - | Muslim Name | Ibad | - | Arabic Name |
| Ibadet | - | Turkish Name | Ibadullah | - | Turkish Name |
| Iban | - | Basque Name | Ibarra | - | Philippines Name |
| Ibbi | - | Norse Name | Ibha | - | Hindu Name |
| Ibha | - | Indian Name | Ibhanan | - | Hindu Name |
| Ibhanan | - | Indian Name | Ibhar | - | Biblical Name |
| Ibhya | - | Indian Name | Ibhya | - | Hindu Name |
| Ibila | - | Algerian Name | Ibleam | - | Biblical Name |
| Ibn | - | Muslim Name | Ibneiah, Ibniah | - | Biblical Name |
| Ibolya | - | Hungarian Name | Ibon | - | Basque Name |
| Ibra | - | Cameroon Name | Ibraheem | - | Hebrew Name |
| Ibrahim | - | Indian Name |
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