| Isidro | - | United States Name | Isil | - | Turkish Name |
| Isilay | - | Turkish Name | Isim | - | Turkish Name |
| Isir | - | Muslim Name | Isira | - | Eskimo Name |
| Isis | - | Cameroon Name | Iska | - | Yiddish Name |
| Iskandar | - | Assyrian Name | Iskaron | - | Phoenician Name |
| Iskell | - | West Indies Name | Iskender | - | Turkish Name |
| Iskinder | - | African Name | Iskra | - | Ukrainian Name |
| Isla | - | Philippines Name | Isla | - | Scottish Name |
| Islah | - | Muslim Name | Islaine | - | Philippines Name |
| Islam | - | Muslim Name | Isleen | - | Gaelic Name |
| Islene | - | West Indies Name | Isley | - | English Name |
| Isma | - | Muslim Name | Ismael | - | Swiss Name |
| Ismaël | - | Cameroon Name | Ismael | - | Assyrian Name |
| Ismael | - | Hebrew Name | Ismaela | - | Philippines Name |
| Ismah | - | Muslim Name | Ismail | - | Turkish Name |
| Ismara | - | Phoenician Name | Ismaria | - | Phoenician Name |
| ISMAT | - | Muslim Name | Ismelqart | - | Phoenician Name |
| Ismène | - | Cyprien Name | Isménia | - | Portuguese Name |
| Ismeralda | - | Philippines Name | Ismet | - | Turkish Name |
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