| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Hyginus | - | Ancient Greek (Latinized) | ||
| Hylda | HIL-də | English (Rare) | ||
| Hypatia | - | Ancient Greek | ||
| Hypatos | - | Ancient Greek | ||
| Hyram | HIE-rəm | English (Rare) | ||
| Hyrum | HIE-rəm | English (Rare) | ||
| Hyun | hyun | Korean | ||
| Hyun-Joo | hyun-joo | Korean | ||
| Hyun-Jung | hyun-jung | Korean | ||
| Hyun-Woo | hyun-oo | Korean | ||
| I&Eth;Unn | - | Norse Mythology, Ancient Scandinavian | ||
| IÑAki | - | Basque | ||
| Iacchus | - | Greek Mythology (Latinized) | ||
| Iachin | - | Biblical Latin, Biblical Greek | ||
| Iacobus | - | Biblical Latin |