| Iwikahurangi | - | Maori Name | Iwikau | - | Maori Name |
| Iwikura | - | Maori Name | Iwira | - | Maori Name |
| Iwirangi | - | Maori Name | Iwirau | - | Maori Name |
| Iwitahi | - | Maori Name | Iwitaua | - | Maori Name |
| Iwitea | - | Maori Name | Iwiwaka | - | Maori Name |
| Ixaka | - | Basque Name | Ixcatzin | - | Nahuatl Name |
| Ixidor | - | Basque Name | Ixtli | - | Nahuatl Name |
| Iya | - | Cameroon Name | Iyaad | - | Muslim Name |
| Iyaas | - | Muslim Name | Iyabo | - | Cameroon Name |
| Iyalisai | - | Indian Name | Iyana | - | American Name |
| Iyangura | - | African Name | Iyanna | - | American Name |
| Iyaou | - | Cameroon Name | Iye | - | American Name |
| Iyla | - | Hindu Name | Iyom | - | Cameroon Name |
| Iyyappan | - | Indian Name | Iyyar | - | Assyrian Name |
| Iza | - | Turkish Name | Izaak | - | German Name |
| Izaan | - | Muslim Name | Izabel | - | Hebrew Name |
| Izabela | - | Romanian Name | Izabella | - | United States Name |
| Izabellah | - | Hebrew Name | Izabelle | - | Hebrew Name |
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