| Henrietta | | hen-ree-ET-ə (English) | English, Hungarian, Finnish, Swedish, Dutch | |
| Henrik | | HEN-rik (Swedish, Norwegian, Danish, German) | Swedish, Norwegian, Danish, German, Hungarian, Slovene, Croatian, Armenian | |
| Hunor | | - | Hungarian | |
| Ibolya | | - | Hungarian | |
| Ida | | IE-də (English), EE-dah (German, Swedish, Danish, Dutch, Italian) | English, German, Swedish, Norwegian, Danish, Dutch, Italian, Spanish, Portuguese, Hungarian, Slovene | |
| IgnÁC | | EEG-nahts (Hungarian) | Hungarian, Czech | |
| IldÓ | | - | Hungarian | |
| Ildi | | - | Hungarian | |
| IldikÓ | | - | Hungarian | |
| Ili | | - | Hungarian | |
| Ilike | | - | Hungarian | |
| Ilka | | - | Hungarian | |
| IllÉS | | - | Hungarian | |
| Ilona | | EE-lo-naw (Hungarian), ee-LO-nah (German), EE-lo-nah (Finnish) | Hungarian, German, Finnish, Latvian, Lithuanian, Polish, Czech | |
| Ilonka | | EE-lon-kaw | Hungarian | |