| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Iairos | - | Biblical Greek | ||
| Iakobos | - | Biblical Greek | ||
| Iapheth | - | Biblical Greek | ||
| Iared | - | Biblical Latin, Biblical Greek | ||
| Iason | - | Greek Mythology, Ancient Greek, Greek, Biblical Greek, Biblical Latin | ||
| Iedida | - | Biblical Greek | ||
| Iephthae | - | Biblical Greek | ||
| Ieremias | - | Biblical Greek | ||
| Iesous | - | Biblical Greek | ||
| Iezekiel | - | Biblical Greek | ||
| Ioab | - | Biblical Latin, Biblical Greek | ||
| Ioanna | - | Greek, Biblical Greek | ||
| Ioannes | - | Biblical Greek | ||
| Iob | - | Biblical Latin, Biblical Greek | ||
| Ioel | - | Biblical Greek |