| Ishtiyaq | - | Muslim Name | Ishua | - | Biblical Name |
| Ishvi | - | Aramaic Name | Ishwaas | - | Hindu Name |
| Ishwar | - | Indian Name | Ishwar | - | Hindu Name |
| Isiah | - | English Name | ISIDOR | - | Russian Name |
| Isidor | - | Swiss Name | ISIDORE | - | Russian Name |
| Isidore | - | Cyprien Name | Isidoro | - | Portuguese Name |
| Isidra | - | Philippines Name | Isidro | - | Philippines Name |
| Iskandar | - | Muslim Name | Iskaron | - | Phoenician Name |
| Iskell | - | West Indies Name | Iskender | - | Turkish Name |
| Iskinder | - | African Name | Islam | - | Muslim Name |
| Ismael | - | Hebrew Name | Ismael | - | Swiss Name |
| Ismaël | - | Cameroon Name | Ismael | - | Assyrian Name |
| Ismah | - | Muslim Name | Ismail | - | Muslim Name |
| ISMAT | - | Muslim Name | Ismelqart | - | Phoenician Name |
| Ismet | - | Turkish Name | Ismetullah | - | Turkish Name |
| Israel | - | Hebrew Name | Isram | - | Phoenician Name |
| Israr | - | Muslim Name | Issa | - | Egyptian Name |
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