| Hughie | | HYOO-ee | English | |
| Hugo | | OO-go (Spanish), HYOO-go (English), HUY-kho (Dutch), HOO-go (German) | Spanish, Portuguese, Catalan, English, Dutch, German, Swedish, Norwegian, Danish, Ancient Germanic ( | |
| Humbert | | HUWM-bert (German), um-BER (French), HUM-bərt (English) | German, French, English (Rare), Ancient Germanic | |
| Humphrey | | HUM-free | English | |
| Humphry | | HUM-free | English (Rare) | |
| Hunter | | HUN-tər | English | |
| Hyacinth (2) | | HIE-ə-sinth | English (Rare) | |
| Hylda | | HIL-də | English (Rare) | |
| Hyram | | HIE-rəm | English (Rare) | |
| Hyrum | | HIE-rəm | English (Rare) | |
| Ian | | EE-ən (English) | Scottish, English | |
| Ibb | | - | Medieval English | |
| Ibbie | | IB-ee | English | |
| Ida | | IE-də (English), EE-dah (German, Swedish, Danish, Dutch, Italian) | English, German, Swedish, Norwegian, Danish, Dutch, Italian, Spanish, Portuguese, Hungarian, Slovene | |
| Idella | | ie-DEL-ə | English | |