| Iona | - | Romanian Name | Ione | - | Greek Name |
| Ionna | - | Ukrainian Name | IOSIF | - | Russian Name |
| IPATI | - | Russian Name | Iphedeiah | - | Biblical Name |
| Ipo | - | Hawaiian Name | IPPOLIT | - | Russian Name |
| Ipsa | - | Hindu Name | Ipsa | - | Indian Name |
| Ipsit | - | Hindu Name | Ipsita | - | Hindu Name |
| Ipsita | - | Indian Name | Iqbal | - | Indian Name |
| Iqlas | - | Muslim Name | Iqra | - | Muslim Name |
| Iqraam | - | Muslim Name | Iqrit | - | Muslim Name |
| Iqtidar | - | Muslim Name | Ir | - | Biblical Name |
| Ira | - | Biblical Name | Ira | - | Hindu Name |
| Ira | - | Indian Name | Iraama | - | Hindu Name |
| Irad | - | Biblical Name | Iraimani | - | Hindu Name |
| Iraiyavan | - | Indian Name | Iraj | - | Hindu Name |
| Iraj | - | Muslim Name | Iraja | - | Indian Name |
| Iraja | - | Hindu Name | Iram | - | Biblical Name |
| Iratze | - | Basque Name | Iravan | - | Hindu Name |
| Iravat | - | Hindu Name | Iravati | - | Hindu Name |
| Iravati | - | Indian Name | Irawati | - | Hindu Name |
| Irayna | - | Greek Name | Ireland | - | American Name |
| Irelynd | - | Celtic Name | Irem | - | Turkish Name |
| Irem | - | Muslim Name | Iremide | - | Nigerian Name |
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