| Hugo | | OO-go (Spanish), HYOO-go (English), HUY-kho (Dutch), HOO-go (German) | Spanish, Portuguese, Catalan, English, Dutch, German, Swedish, Norwegian, Danish, Ancient Germanic ( | |
| Hui | | - | Chinese | |
| 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 | |