| Helena | | he-LE-nah (German, Swedish, Norwegian, Danish, Polish), hay-LAY-nah (Dutch), HE-le-nah (Finnish) | German, Dutch, Swedish, Norwegian, Danish, Icelandic, Portuguese, Polish, Czech, Slovak, Finnish, Es | |
| Heliodoro | | e-lyo-DHO-ro (Spanish) | Spanish, Portuguese | |
| Henrique | | - | Portuguese | |
| Herberto | | er-BER-to (Spanish) | Spanish, Portuguese | |
| Heriberto | | - | Spanish, Portuguese | |
| HermÍNia | | - | Portuguese | |
| HermÍNio | | - | Portuguese | |
| Hermenegildo | | - | Spanish, Portuguese | |
| HipÓLito | | ee-PO-lee-to (Spanish) | Spanish, Portuguese | |
| HorÁCio | | - | Portuguese | |
| Hugo | | OO-go (Spanish), HYOO-go (English), HUY-kho (Dutch), HOO-go (German) | Spanish, Portuguese, Catalan, English, Dutch, German, Swedish, Norwegian, Danish, Ancient Germanic ( | |
| Iago | | ee-A-gaw (Welsh, Galician), ee-AH-go (English) | Welsh, Galician, Portuguese | |
| Ida | | IE-də (English), EE-dah (German, Swedish, Danish, Dutch, Italian) | English, German, Swedish, Norwegian, Danish, Dutch, Italian, Spanish, Portuguese, Hungarian, Slovene | |
| Imaculada | | - | Portuguese | |
| InÁCio | | - | Portuguese | |