| Hughard | | - | Ancient Germanic | |
| Hugo | | OO-go (Spanish), HYOO-go (English), HUY-kho (Dutch), HOO-go (German) | Spanish, Portuguese, Catalan, English, Dutch, German, Swedish, Norwegian, Danish, Ancient Germanic ( | |
| Hugubert | | - | Ancient Germanic | |
| Huguo | | - | Ancient Germanic | |
| Hulderic | | - | Ancient Germanic | |
| Humbert | | HUWM-bert (German), um-BER (French), HUM-bərt (English) | German, French, English (Rare), Ancient Germanic | |
| Hunberct | | - | Ancient Germanic | |
| Hunfrid | | - | Ancient Germanic | |
| Hyacinthus | | - | Greek Mythology (Latinized), Ancient Greek (Latinized) | |
| Hyakinthos | | - | Greek Mythology, Ancient Greek | |
| Hyginos | | - | Ancient Greek | |
| Hyginus | | - | Ancient Greek (Latinized) | |
| Hypatia | | - | Ancient Greek | |
| Hypatos | | - | Ancient Greek | |
| Iason | | - | Greek Mythology, Ancient Greek, Greek, Biblical Greek, Biblical Latin | |