| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Iephthae | - | Biblical Greek | ||
| Iepthae | - | Biblical Latin | ||
| Ieremias | - | Biblical Greek | ||
| Iesous | - | Biblical Greek | ||
| Iesus | - | Biblical Latin | ||
| Iezekiel | - | Biblical Greek | ||
| Immanuel | - | German, Hebrew, Biblical, Biblical Hebrew | ||
| Ioab | - | Biblical Latin, Biblical Greek | ||
| Ioanna | - | Greek, Biblical Greek | ||
| Ioannes | - | Biblical Greek | ||
| Iob | - | Biblical Latin, Biblical Greek | ||
| Ioel | - | Biblical Greek | ||
| Iohanna | - | Biblical Latin | ||
| Iohannes | - | Biblical Latin | ||
| Iohel | - | Biblical Latin |