| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Iago | ee-A-gaw (Welsh, Galician), ee-AH-go (English) | Welsh, Galician, Portuguese | ||
| Ibrahim | - | Arabic, Malay, Indonesian | ||
| Ibrahima | - | Western African | ||
| Ichiro | ee-chee-ṙo: | Japanese | ||
| Ichirou | ee-chee-ṙo: | Japanese | ||
| Ida | IE-də (English), EE-dah (German, Swedish, Danish, Dutch, Italian) | English, German, Swedish, Norwegian, Danish, Dutch, Italian, Spanish, Portuguese, Hungarian, Slovene | ||
| Idowu | - | Western African, Yoruba | ||
| Ife | - | Western African, Yoruba | ||
| Ige | - | Western African, Yoruba | ||
| Ikenna | - | Western African, Igbo | ||
| Imaculada | - | Portuguese | ||
| Iman | - | Arabic, Persian, Indonesian | ||
| Ime (1) | - | Western African, Ibibio | ||
| InÁCio | - | Portuguese | ||
| InÊS | ee-NESH | Portuguese |