| Ivria | Woman | Hebrew Names |
| Ivrit | Man | Hebrew Names |
| Ivy | Woman | English Names |
| Iwalani | Unisex | Hawaiian Names |
| Iwan | Man | Persian Names |
| Iwao | Man | Japanese Names |
| Iwatoke | Unisex | Native American - Menominee Names |
| Ixia | Unisex | African Names |
| Ixtli | Unisex | Aztec Names |
| Iyana | Woman | Spanish Names |
| Iyeshia | Woman | American Names |
| Izdihar | Woman | Arabic Names |
| Ize | Unisex | Native American - Sac and Fox Nation Names |
| Izefia | Woman | African Names |
| Izel | Unisex | Aztec Names |
| Izod | Unisex | French Names |
| Izotz | Man | Basque Names |
| Izumi | Woman | Japanese Names |
| Izzy | Unisex | American Names |