| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Iida | EE:-dah | Finnish | ||
| Iikka | EE:K-kah | Finnish | ||
| Iina | - | Finnish | ||
| Iines | EE:-nes | Finnish | ||
| Iiris | - | Finnish | ||
| Iiro | EE:-ro | Finnish | ||
| Iisakki | EE:-sahk-kee | Finnish | ||
| Ilari | EE-lah-ree (Finnish) | Russian, Finnish | ||
| Ilma | EEL-mah | Finnish | ||
| Ilmari | EEL-mah-ree | Finnish | ||
| Ilmarinen | - | Finnish Mythology | ||
| Ilmatar | - | Finnish Mythology | ||
| Ilona | EE-lo-naw (Hungarian), ee-LO-nah (German), EE-lo-nah (Finnish) | Hungarian, German, Finnish, Latvian, Lithuanian, Polish, Czech | ||
| Ilta | EEL-tah | Finnish | ||
| Impi | EEM-pee | Finnish |