| Firstname | Gender | Origin | Meaning of name | Form | Pronunciation |
|---|---|---|---|---|---|
| Iana |  | Hebrew | God is forgiving | (YAH nah); (ee AH nah) | |
| Idalina | | German | Work | (i dah LEEN ah); (ee dah LEEN ah) | |
| Idelle | | German | Work | (eye DELL) | |
| Ikuye | | Japanese | Fragrant picture | (EE koo yeh) | |
| Ilana | | Greek | Torch; bright light | (ih LAH nah) | |
| Ileana | | Greek | Bright, shining one | (EE lee AH nah) | |
| Iliana | | Hebrew | The Lord has responded | (ee lee AHN ah) | |
| Ilona | | Greek | Torch; bright light | (EEL on a) | |
| Ilsa | | Hebrew | My God is a vow | (IL seh) | |
| Ilse | | Hebrew | My God is a vow | (IL seh) |
| Firstname | Gender | Origin | Meaning | Form | Pronunciation |
|---|---|---|---|---|---|
| Ilysa | | Hebrew | My God is a vow | N/A | |
| Iola | | Greek | Violet | (eye OH lah) | |
| Isabell | | Hebrew | My God is a vow | (IZ ah bell) | |
| Isabella | | Hebrew | My God is a vow | (iz ah BELL ah) | |
| Isanne | | Hebrew | My God is a vow | (ee SAHN); (ee SAHN nuh) | |
| Isaye | | Japanese | Blessed with merit | (EE sah yeh) | |
| Isolde | | Welsh | Beautiful | (ih SOLD uh); (ih ZOLD uh) | |
| Izabella | | Hebrew | My God is a vow | (EE zha BEHL lah) | |
| Izanne | | Hebrew | Grace; favour | (ee SAN) | |
| Inès | | Greek | Chaste | Agnes | (ee NEHS) |